All Recent Changes

Site.Things that Count . . . 10 July 2024 by ?:
Site.A collection of things that count . . . 05 July 2024 by ?:
Site.1150-100 BC Antikythera Mechanism Reconstructed Model-With Orrery By John Lancashire . . . 18 June 2023 by ?:
Site.Comptometer “Woodie” 1896, serial 2491 . . . 17 May 2023 by ?:
Site.Schickard 1623 . . . 09 May 2023 by ?:
Main.New on Things that Count . . . 09 May 2023 by ?:
Site.Schickard versus Pascal - an empty debate?? . . . 09 May 2023 by ?:
Site.’~150-100 BC’: Antikythera mechanism - reconstruction by Kostas Kotsanas . . . 08 May 2023 by ?:
Site.2100-2000 BC: Neo Sumerian cuneiform receipt for 13 litres of clarified butter and 16 litres of dried cheese with sumac . . . 06 May 2023 by ?:
Site.’~150-100 BC’: Antikythera mechanism model - reconstruction by Kostas Kotsanas . . . 06 May 2023 by ?:
Site.’~150-100 BC’: Antikythera mechanism, reconstruction by Kostas Kotsanas . . . 06 May 2023 by ?:
Site.’~150-100 BC’: Reconstructed model of Antikythera mechanism, by Kostas Kotsanas . . . 06 May 2023 by ?:
Site.150-100 BC Antikythera Mechanism Reconstructed Model-Basic Form By Kostas Kotsanas . . . 06 May 2023 by ?:
Site.Objects in “collection Calculant” . . . 06 May 2023 by ?:
Main.Recent Publications . . . 07 July 2022 by ?:
Main.ABC National News 18 Nov 2021 . . . 05 December 2021 by ?:
Site.Early Evolution of the Modern Calculator . . . 09 December 2018 by ?:
Site.000-200 AD: Ancient Roman dividers . . . 09 December 2018 by ?:
Site.000-300 AD: Three Ancient Roman dice . . . 09 December 2018 by ?:
Site.Dividers C1-C 3 . . . 09 December 2018 by ?:
OtherObjects.{Xa-#658} XA owned by Peter Watts . . . 10 September 2018 by ?:
OtherObjects.List of Surviving E.M.G. Handmade ‘Large Horn’ Gramophones . . . 10 September 2018 by ?:
Site.~1952 O.J. Adder . . . 10 December 2017 by ?:
Site.Tachylemme 1876 . . . 22 November 2017 by ?:
Site.”Queen of Poland” Pascaline ~1650 - replica of the surviving machine held at Dresden . . . 18 November 2017 by ?:
OtherObjects.{IX-220} IX purchased by Gill Horrocks 2017 . . . 08 October 2017 by ?:
OtherObjects.{IX-#1072} TMF 9 Jan 2009 Orthoscan [Sean] #1072 . . . 08 October 2017 by ?:
OtherObjects.{IX-#690} IX purchased by Pete Peterson . . . 14 June 2017 by ?:
OtherObjects.{IX-#2048} Mark IX owned by William Bern. . . . 06 June 2017 by ?:
Site.Operating Instructions For A Pascaline . . . 18 May 2017 by ?:
Site.Pascaline ~1650 - working exemplar based on surviving machines . . . 18 May 2017 by ?:
Site.”Queen of Poland” Pascaline ~1652 - replica of the surviving machine held at Dresden . . . 17 May 2017 by ?:
Site.Pascaline ~1652 - working exemplar based on surviving machines . . . 17 May 2017 by ?:
Site.Surviving Pascalines . . . 17 May 2017 by ?:
Site.Exemplar and Replica Pascalines . . . 17 May 2017 by ?:
Site.Pascaline ~1652 - replica based on surviving examples . . . 17 May 2017 by ?:
Site.Dresden Pascaline 1652 . . . 15 May 2017 by ?:
OtherObjects.{Xa-#412} Xa purchased ebay 19 Jan 2015 (fell off car) . . . 08 May 2017 by ?:
OtherObjects.{Xa-130} Xa owned by Gary Stucka, acquired about 1997 from Raymond Glaspole in Oxford, UK . . . 15 April 2017 by ?:
OtherObjects.Xa-130 . . . 14 April 2017 by ?:
OtherObjects.{Xa-110} XA owned by Paul Ritchens . . . 22 May 2016 by ?:
OtherObjects.{IX-210} Mark IX owned by Graham Tait. . . . 07 May 2016 by ?:
OtherObjects.IX-210 . . . 07 May 2016 by ?:
OtherObjects.{IX-200} Reeman Dansie, Mark IX Electric, with ivorine plaque . . . 07 May 2016 by ?:
OtherObjects.The Gramophone in action . . . 24 March 2016 by ?:
OtherObjects.Test 1 . . . 30 January 2016 by ?:
OtherObjects.Some other Objects . . . 30 January 2016 by ?:
OtherObjects.E.M.G. Handmade ‘Large Horn’ Gramophones . . . 30 January 2016 by ?:
Site.Side Bar . . . 23 January 2016 by ?:
OtherObjects.{Xb-#817} Owned by ORCHORSOL . . . 21 January 2016 by ?:
OtherObjects.Conservation of the EMG XA (Export) Gramophone . . . 19 January 2016 by ?:
OtherObjects.History Contents . . . 18 January 2016 by ?:
OtherObjects.Ancilliary equipment and information for the EMG XA (Export) . . . 18 January 2016 by ?:
OtherObjects.1932: E.M.G. Mark Xa (‘Export’) Gramophone, #657 . . . 18 January 2016 by ?:
OtherObjects.Maintenance And Technical Notes . . . 18 January 2016 by ?:
OtherObjects.Resources . . . 18 January 2016 by ?:
OtherObjects.Soundbox/Reproducer maintenance and technical notes . . . 18 January 2016 by ?:
OtherObjects.Maintenance and technical notes for horn . . . 18 January 2016 by ?:
OtherObjects.Restoration of the EMG XA (Export) Gramophone . . . 18 January 2016 by ?:
OtherObjects.Group Footer . . . 16 January 2016 by ?:
OtherObjects.Group Headers And Footers . . . 16 January 2016 by ?:
Site.Group Footer . . . 16 January 2016 by ?:
Site.Group Headers And Footers . . . 16 January 2016 by ?:
OtherObjects.Some other pictures of this gramophone . . . 16 January 2016 by ?:
OtherObjects.EMGXAE Video . . . 16 January 2016 by ?:
OtherObjects.Some other pictures of this gramophone . . . 16 January 2016 by ?:
Site.e-Library . . . 14 January 2016 by ?:
Site.Gaspar Schott 1668: Organum Mathematicum Libris IX Explicandum . . . 13 January 2016 by ?:
Site.1668: Gaspar Schott, Organum Mathematicum Libris IX Explicandum . . . 13 January 2016 by ?:
Site.2100-2000 BC: Neo Sumerian cuneiform receipt for 9 litres of clarified butter and 12 litres of dried cheese with sumac . . . 16 November 2015 by ?:
Site.2100-2000 BC: Akkadian cuneiform receipt for 9 litres of clarified butter and 12 litres of dried cheese with sumac . . . 29 October 2015 by ?:
Site.2100-2000 BC: Akkadian cuneiform receipt for 9 litres of clarified butter and 12 litres of dried cheese . . . 28 October 2015 by ?:
Site.2100-2000 BC: Akkadian cuneiform receipt for 3 litres of clarified butter and 6 litres of dried cheese . . . 28 October 2015 by ?:
Site.2100-2000 BC: Cuneiform receipt for 3 litres of clarified butter and 6 litres of dried cheese . . . 28 October 2015 by ?:
Site.2100-2000 BC: Cuneiform receipt for 3 ~litre of clarified butter and 6 litre of dried cheese . . . 28 October 2015 by ?:
Site.Cuneiform Receipt . . . 28 October 2015 by ?:
Site.Old Babylonian cuneiform tag, 1934-1924 BC . . . 28 October 2015 by ?:
Site.Rechenmachinen 1901 . . . 26 October 2015 by ?:
Site.~1910: Seidel & Naumann (SUN) Adding Machine . . . 24 September 2015 by ?:
Site.~1910: Seidel & Naumann Adding Machine . . . 23 September 2015 by ?:
Profiles.1930 Davey Rollright . . . 21 September 2015 by ?:
OtherObjects.{IX-60} Christies Lot 57 31 July 1996 Electric, Slightly sagging (£1,035) . . . 20 September 2015 by ?:
OtherObjects.Replacing rubber gaskets on a 4 spring soundbox . . . 17 September 2015 by ?:
OtherObjects.{Xa-110} EMGIAN owned Mark Xa with Xa horn . . . 16 September 2015 by ?:
OtherObjects.Dating An EMG Gramophone . . . 15 September 2015 by ?:
OtherObjects.{Xb-#817} Probable Factory hybrid owned by ORCHORSOL with Xb 29 ½” horn . . . 15 September 2015 by ?:
OtherObjects.{Xb-#817} Probable Factory hybrid wned by ORCHORSOL with Xb 29 ½” horn . . . 15 September 2015 by ?:
OtherObjects.{Xa-110} EMGIAN owned Mark XA with XA horn . . . 15 September 2015 by ?:
OtherObjects.{X-60} Mark X formerly owned by Edward Sackville-West under restoration at Knole . . . 15 September 2015 by ?:
OtherObjects.Mark X formerly owned by Edward Sackville-West under restoration at Knole . . . 15 September 2015 by ?:
OtherObjects.Mark Xa base with transportable (export) oversize (Xb) horn . . . 15 September 2015 by ?:
OtherObjects.Soundbox angle . . . 15 September 2015 by ?:
OtherObjects.Needle ? . . . 15 September 2015 by ?:
OtherObjects.{XbE-20} G.R., Thick knuckle indicating Xb (oversize) horn. . . . 15 September 2015 by ?:
OtherObjects.Xb E 20 . . . 15 September 2015 by ?:
OtherObjects.{IX-#1072} TMF 9 Jan 2009 Orthoscan [Sean] #1072 . . . 15 September 2015 by ?:
OtherObjects.Mark Xa with transportable (export) oversize horn . . . 14 September 2015 by ?:
OtherObjects.Privacy Policy . . . 14 September 2015 by ?:
OtherObjects.{IX-200} Reeman Dansie, Mark IX Electric, with ivorine vorine plaque (£1,500) . . . 13 September 2015 by ?:
OtherObjects.IX-200 . . . 13 September 2015 by ?:
OtherObjects.E.M.G. Handmade Large Horn Gramophones . . . 13 September 2015 by ?:
OtherObjects.List of Surviving E.M.G. Large Horn Gramophones . . . 13 September 2015 by ?:
OtherObjects.List of E.M.G. Large Horn Gramophones . . . 13 September 2015 by ?:
OtherObjects.Listing of E.M.G. Large Horn Gramophones . . . 13 September 2015 by ?:
OtherObjects.E.M.G. Large Horn Gramophones . . . 13 September 2015 by ?:
OtherObjects.List of E.M.G. Large Horn Gramophones . . . 13 September 2015 by ?:
OtherObjects.E.M.G. Large Horn Gramophones . . . 13 September 2015 by ?:
OtherObjects.EMG List . . . 13 September 2015 by ?:
OtherObjects.{Xa-#412} Xa purchased ebay 19 Jan 2015 (Fell of car) . . . 13 September 2015 by ?:
OtherObjects.{Xa-#412} Xa purchased ebay 19 Jan 2015 (Fell of car) . . . 13 September 2015 by ?:
OtherObjects.Xa-80 ? . . . 13 September 2015 by ?:
OtherObjects.{Xa-80} Xa purchased ebay 19 Jan 2015 (Fell of car)? . . . 13 September 2015 by ?:
OtherObjects.EMG Large Horn Gramophones . . . 13 September 2015 by ?:
OtherObjects.{Xb-#1225} Electric Xb from ebay 17 Sep 2013 . . . 13 September 2015 by ?:
OtherObjects.{Xb-#1225} Electric Xb #1225 . . . 13 September 2015 by ?:
OtherObjects.{Xb-#1225} G.R. Register 5 Electric S/N Full ball-race Square metal T/A rest #1225 . . . 13 September 2015 by ?:
OtherObjects.Xb Serial 1225 . . . 13 September 2015 by ?:
OtherObjects.{Xb-#203} Christies Lot 53 31 July 1996, Garrard Super Motor, #203 (£3,105) . . . 12 September 2015 by ?:
OtherObjects.Xb Serial 203 . . . 12 September 2015 by ?:
OtherObjects.IX Orthoscan 1072 . . . 12 September 2015 by ?:
OtherObjects.EMG Large Horn Gramophones . . . 12 September 2015 by ?:
OtherObjects.EMG Gramophones . . . 12 September 2015 by ?:
OtherObjects.New Home Page for EMG Gramophone List . . . 12 September 2015 by ?:
OtherObjects.EM Gtest . . . 11 September 2015 by ?:
OtherObjects.TMF 9 Jan 2009 Orthoscan Sean . . . 11 September 2015 by ?:
Site.Test Anything Page . . . 03 September 2015 by ?:
Site.Early Evolution of the Modern Calculator . . . 03 September 2015 by ?:
OtherObjects.EMG Gramophone Catalogue from ~1934 . . . 01 September 2015 by ?:
OtherObjects.Some other pictures of this EMG Xa gramophone . . . 01 September 2015 by ?:
OtherObjects.Some other pictures of the EMG Xa ‘Export’ gramophone . . . 01 September 2015 by ?:
OtherObjects.Some other pictures of the EMG Xa gramophone . . . 01 September 2015 by ?:
OtherObjects.Some other pictures of the EMG gramophone . . . 01 September 2015 by ?:
OtherObjects.Page Foot Menu ? . . . 01 September 2015 by ?:
OtherObjects.~1910: Wimshurst Machine . . . 31 August 2015 by ?:
OtherObjects.1932: E.M.G. Mark Xb (‘Export’) Gramophone, #657 . . . 31 August 2015 by ?:
OtherObjects.~1910 Wimshurst Machine . . . 30 August 2015 by ?:
OtherObjects.1910 Wimshurst Machine . . . 30 August 2015 by ?:
OtherObjects.1910 Wimshurst Electrostatic Machine . . . 30 August 2015 by ?:
OtherObjects.1932 E.M.G. Mark Xb (‘Export’) Gramophone, #657 . . . 30 August 2015 by ?:
Site.Before the Modern Era . . . 30 August 2015 by ?:
OtherObjects.1932 E.M.G. Model Xb (‘Export’) Gramophone, #657 . . . 30 August 2015 by ?:
Site.1889 model Web Adder serial 3220 . . . 30 August 2015 by ?:
Site.Comptator 1910 . . . 24 July 2015 by ?:
Site.O.J. Adder Instructions for Use . . . 21 July 2015 by ?:
Site.Diderot and D’Alembert 1759 - Mechanism of the Pascaline . . . 21 July 2015 by ?:
Site.Webb’s Patent Adder and Talley Board 1869 . . . 30 June 2015 by ?:
Site.Alpina step-drum calculator 1961, serial 5944. . . . 30 June 2015 by ?:
Site.Curta type 2 1963 step-drum calculator . . . 30 June 2015 by ?:
Site.Alpina calculator 1961, serial 5944. . . . 30 June 2015 by ?:
Site.Curta model 1, 1948, step-drum calculator, with pin sliders, serial #5424. . . . 30 June 2015 by ?:
Site.Alpina calculator, 1961, serial 5944. . . . 30 June 2015 by ?:
Site.Alpina calculator, 1961, serial 5944. circular sliderule . . . 30 June 2015 by ?:
Site.Quixsum, model C, ~1930, imperial feet, inches and fractions adding machine . . . 27 June 2015 by ?:
Site.Quixsum adding machine, model C, 1930 . . . 26 June 2015 by ?:
Site.1950: Facit LX pinwheel calculator, serial 105478 . . . 29 April 2015 by ?:
Site.The Late Modern Period (from 1800) . . . 25 April 2015 by ?:
Main.A More Personal Explanation . . . 23 January 2015 by ?:
Site.1945: Facit Model S pinwheel calculator, serial 210652 . . . 17 December 2014 by ?:
Site.1945: Facit Model S Calculator, serial 210652 . . . 17 December 2014 by ?:
Site.1945: Facit Model S Calculator Serial 210652 . . . 17 December 2014 by ?:
Site.1950: Facit LX pinwheel calculator, Serial 105478 . . . 17 December 2014 by ?:
Site.Facit 1950 . . . 17 December 2014 by ?:
Main.Recently Authored Software . . . 04 November 2014 by ?:
Site.1793: Pietr Holm’s “Tobacco Box” for ship’s speed and calendar . . . 30 October 2014 by ?:
Site.Calculi 1577 . . . 28 October 2014 by ?:
Site.Holm 1793 . . . 27 October 2014 by ?:
Site.Extracts from Kepler’s Letters . . . 25 October 2014 by ?:
Site.Download as eBook & Restore to Website Settings . . . 14 October 2014 by ?:
Site.1849: L. Brook’s Circular Simple and Compound Interest Table Reckoner . . . 14 October 2014 by ?:
L.1849: L. Brook’s Circular Simple and Compound Interest Table Reckoner . . . 14 October 2014 by ?:
Site.1856: Multiplying cylinder by J. B. Morill (USA) . . . 14 October 2014 by ?:
Site.1856: Multiplying cylinder by J. B. Morill (Broadway, New York, USA . . . 14 October 2014 by ?:
Site.1856: Multiplying cylinder by J. B. Morill . . . 14 October 2014 by ?:
L.1849: L. Brook’s Circular Simple Interest Table . . . 12 October 2014 by ?:
Site. MADAS-IX-Maxima ~1917 . . . 20 September 2014 by ?:
Site.Addo ~1920 mod 2 Adder, serial 2797 . . . 20 September 2014 by ?:
Site.Der Zeitermittler 1947 . . . 20 September 2014 by ?:
Site.Butterfield Sector 1700 . . . 19 September 2014 by ?:
Site.Supremathic 1935 . . . 19 September 2014 by ?:
Site.Hewlett Packard HP-65 Calculator, August 1973 . . . 14 September 2014 by ?:
Site.Article in La Nature, 1893 on the Centigraph . . . 23 August 2014 by ?:
Site.Madas-IX-Maxima . . . 18 August 2014 by ?:
Site.Hewlett Packard HP-45 Calculator, December 1973 . . . 19 July 2014 by Jim Falk ?:
Site.Hewlett Packard HP-35 Calculator, July 1972 . . . 18 July 2014 by Jim Falk ?:
Site.Hewlett Packard HP-45 Calculator . . . 18 July 2014 by Jim Falk ?:
Site.August 1973, Hewlett Packard HP 65 Calculator, serial 1333A 06752 . . . 18 July 2014 by Jim Falk ?:
Site.HP-65-1973 . . . 18 July 2014 by Jim Falk ?:
Site.Pascaline 1652 . . . 17 July 2014 by Jim Falk ?:
Site.Leupold, Theatrum arithmetico geometricum, 1st Edition, 1727 . . . 13 July 2014 by Jim Falk ?:
Site.Leupold, Theatrum arithmetic geometricum, 1st Edition, 1727 . . . 13 July 2014 by Jim Falk ?:
Site.Jacob Leupold (1674-1727), Theatrum arithmetic geometricum…, 1st Edition, 1727 . . . 13 July 2014 by Jim Falk ?:
Site.LEUPOLD, Jacob (1674-1727), Theatrum arithmetic geometricum… 1st Edition, 1727 . . . 13 July 2014 by Jim Falk ?:
Site.Jacob Leupold 1727 . . . 13 July 2014 by Jim Falk ?:
Site.Kuli Calculator ~1909, serial 1192 . . . 12 July 2014 by Jim Falk ?:
Site.Fuller 1926 . . . 12 July 2014 by Jim Falk ?:
Site.The Adder ~1908 single column adding machine, serial no. 1306 . . . 12 July 2014 by Jim Falk ?:
Site.Centigraph Adder, 1891, serial no. 1523 . . . 12 July 2014 by Jim Falk ?:
Site.Spalding Adding Machine 1884, serial no. 494 . . . 12 July 2014 by Jim Falk ?:
Site.~1912: The Standard Desk Calcumeter, serial 89939 . . . 16 June 2014 by Jim Falk ?:
Site.1908-15: The Standard Desk Calcumeter, serial 89939 . . . 16 June 2014 by Jim Falk ?:
Site.1908-15: The Standard Desk Calcumeter . . . 13 June 2014 by Jim Falk ?:
Site.Adder ~1908 single column adding machine, serial no. 1306 . . . 26 May 2014 by Jim Falk ?:
Site.100-200 AD: Ancient Roman bronze astragalus (gaming knucklebone) . . . 22 May 2014 by Jim Falk ?:
Site.Faber Castell 1967 . . . 21 May 2014 by ?:
Site.Millionaire 1912 . . . 18 May 2014 by Jim Falk ?:
Site.Astrolabe . . . 16 May 2014 by Jim Falk ?:
Site.HP-Scientific American 1973 . . . 16 May 2014 by Jim Falk ?:
Site.Article in La Nature 1893 on the Centigraph . . . 16 May 2014 by Jim Falk ?:
Site.100-200 AD: Ancient Roman bronze astragalus (gaming knucklebone)? . . . 12 May 2014 by Jim Falk ?:
Site.000-300 AD: Three Ancient Roman dice . . . 12 May 2014 by Jim Falk ?:
Site.100-200 AD: Ancient Roman bronze astragalus (gaming knucklebone)? . . . 12 May 2014 by Jim Falk ?:
Site.100-200 AD: Ancient Roman bronze astralagus (gaming knucklebone)? . . . 12 May 2014 by Jim Falk ?:
Site.100-200: Ancient Roman bronze astralagus (gaming knucklebone)? . . . 12 May 2014 by Jim Falk ?:
Site.1847: Palmer’s Computing Scale and Fuller’s Time Telegraph . . . 11 May 2014 by Jim Falk ?:
Site.000-300AD: Three Ancient Roman dice . . . 06 May 2014 by Jim Falk ?:
Site.Three Ancient Roman dice . . . 05 May 2014 by Jim Falk ?:
Site.Old Babylonian Tag Notes . . . 03 May 2014 by Jim Falk ?:
Main.New in the world . . . 03 May 2014 by Jim Falk ?:
Site.Original Spalding Adding Machine Patent - US Patent 146407 . . . 29 April 2014 by Jim Falk ?:
Site.Download as eBook & Restore to Website Settings . . . 27 April 2014 by Jim Falk ?:
Site.Download as eBook & Restore to Website Settings . . . 27 April 2014 by Jim Falk ?:
Site.Skin Changes . . . 26 April 2014 by ?:
Site.Pageactions . . . 26 April 2014 by ?:
Site.Download as eBook & Restore to Website Settings 2 . . . 25 April 2014 by ?:
Site.Print Book 2 . . . 25 April 2014 by ?:
Site.Notes for site administrator . . . 25 April 2014 by ?:
Admin.Backup Things . . . 24 April 2014 by ?:
Site.PrintBook . . . 23 April 2014 by ?:
Site.Comptometer Woodie 1896 . . . 18 April 2014 by ?:
Main.Wiki Sandbox . . . 17 April 2014 by ?:
Site.Download “Things that Count” as an ebook . . . 14 April 2014 by ?:
Site.Test . . . 12 April 2014 by ?:
Site.e-Library . . . 12 April 2014 by ?:
Site.Objects in “collection Calculant” . . . 12 April 2014 by ?:
Site.Site Page List . . . 12 April 2014 by ?:
Site.Charpentier Calculimètre circular sliderule . . . 11 April 2014 by ?:
Site.Calculim Charpentier 1881 . . . 11 April 2014 by ?:
Site.Test Print Text . . . 11 April 2014 by ?:
Notes.Miscellaneous Notes on “Things that Count” . . . 07 April 2014 by ?:
Site.Replica Pascalines . . . 07 April 2014 by ?:
Site.Herzstark Electric Mechanism . . . 07 April 2014 by ?:
Site.Catalogue Amendment By Auction Team Breker . . . 07 April 2014 by ?:
Site.Bloch Schnellkalulators In Collections . . . 07 April 2014 by ?:
Main.Fakes And False Promises . . . 07 April 2014 by ?:
Site.Pascaline Mechanism . . . 07 April 2014 by ?:
Notes.Notes . . . 07 April 2014 by ?:
Site.Schicardvs Pascal ? . . . 07 April 2014 by ?:
Site.Foundational Contributions to the Modern Calculator . . . 06 April 2014 by 1800 ?:
Site.Foundations for the emergence of the Modern Calculator . . . 06 April 2014 by 1800 ?:
Site.Foundations of the Modern Calculator . . . 06 April 2014 by 1800 ?:
Site.About the Author . . . 02 April 2014 by 1800 ?:
Site.Publisher Blurb . . . 02 April 2014 by 1800 ?:
Site.Counters . . . 30 March 2014 by 1800 ?:
Site.The Emergence of the Modern Calculator . . . 29 March 2014 by 1800 ?:
Site.Part 1. Origins . . . 29 March 2014 by 1800 ?:
Site.Part 2. The Modern Era - The Emergence of the Modern Calculator . . . 29 March 2014 by 1800 ?:
Site.Part 1 Before The Modern Epoch . . . 29 March 2014 by 1800 ?:
Site.Download “Things that Count” as ebook . . . 29 March 2014 by 1800 ?:
Site.Download ebook . . . 29 March 2014 by 1800 ?:
Site.Ebook . . . 29 March 2014 by 1800 ?:
Site.Centigraph Patent - US Patent 453778 ? . . . 29 March 2014 by 1800 ?:
Site.Improved Spalding Adding Machine Patent - US Patent 283809 ? . . . 29 March 2014 by 1800 ?:
Site.Wiki Book Publisher Notes . . . 27 March 2014 by 1800 ?:
Site.US Patent 283809 ? . . . 26 March 2014 by 1800 ?:
Site.Spalding Adding Machine 1884, serial 494 . . . 26 March 2014 by 1800 ?:
Site.Spalding Adding Machine 1884, serial. 494 . . . 26 March 2014 by 1800 ?:
Site.Spalding 1884 . . . 26 March 2014 by 1800 ?:
Site.Print Book & Restore to Website Settings . . . 26 March 2014 by 1800 ?:
Site.Part 2. The Modern Era - The Emergence of the Modern Calculator . . . 25 March 2014 by 1800 ?:
Site.Test Anything Page 2 . . . 22 March 2014 by 1800 ?:
Site.Stepping stones: toward the end of calculators . . . 22 March 2014 by 1800 ?:
Site.Napiers Bones ‘1617’ (recent construction) . . . 20 March 2014 by 1800 ?:
Site.Napiers Bones ‘1617’ (modern construction) . . . 19 March 2014 by 1800 ?:
Site.Print Book & Restore to Website Settings . . . 19 March 2014 by ?:
Site.Print Book 1 . . . 18 March 2014 by 1800 ?:
Site.Old Babylonian cuneiform tag, 1934-1924 BC BC . . . 18 March 2014 by 1800 ?:
Site.Old Babylonian cuneiform tag, ~1894 BC - ~1595 BC . . . 17 March 2014 by 1800 ?:
Site.Part 1 Before The Modern Epoch 1 . . . 17 March 2014 by 1800 ?:
Site.Old Babylonian cuneiform tag, ~1894 BCE - ~1595 BCE . . . 17 March 2014 by 1800 ?:
Site.Some collected things that count . . . 16 March 2014 by 1800 ?:
Site.Things that count in Collection Calculant . . . 16 March 2014 by 1800 ?:
Site.Collection Calculant of “Things that count” . . . 16 March 2014 by 1800 ?:
Site.\Collection Calculant\ of “Things that count” . . . 16 March 2014 by 1800 ?:
Site.*Collection Calculant* of “Things that count” . . . 16 March 2014 by 1800 ?:
Site.Collection Calculant of “Things that count” . . . 16 March 2014 by 1800 ?:
Site.Objects photo gallery - “Things that count” . . . 16 March 2014 by 1800 ?:
Site.Comptometer Manual 1921 . . . 16 March 2014 by 1800 ?:
Site.How to Become a Lightning Calculator, No 2, 1895 . . . 16 March 2014 by 1800 ?:
Site.Scheutz 1855 . . . 15 March 2014 by 1800 ?:
Site.Objects gallery - “Things that count” . . . 12 March 2014 by 1800 ?:
Site.Mercedes 291923 . . . 12 March 2014 by 1800 ?:
Site.TIM 1909 . . . 12 March 2014 by 1800 ?:
Site.Bunzel Prototype 1913 . . . 12 March 2014 by 1800 ?:
Site.Lightning 1946 . . . 12 March 2014 by 1800 ?:
Site.Add-O-Matic 1937 . . . 12 March 2014 by 1800 ?:
Site.Thomas De Colmar 1884 . . . 11 March 2014 by ?:
Site.Stevenson 1890 . . . 11 March 2014 by 1800 ?:
Site.Otis King 1960 . . . 11 March 2014 by 1800 ?:
Site.Lawrence 1948 . . . 11 March 2014 by 1800 ?:
Site.Keuffel And Esser 1928 . . . 11 March 2014 by 1800 ?:
Site.Joseph Long 1821-84 . . . 11 March 2014 by 1800 ?:
Site.Three Slide Rule Designs 1727 . . . 11 March 2014 by 1800 ?:
Site.Dividers C 18 . . . 11 March 2014 by 1800 ?:
Site.Objects Gallery . . . 10 March 2014 by ?:
Site.Henrion 1626 . . . 10 March 2014 by ?:
Site.1480-1520: French Jeton . . . 10 March 2014 by ?:
Site.Conto Model C 1922 . . . 08 March 2014 by ?:
Site.“A Calculator Chronicle” 1990 . . . 08 March 2014 by ?:
Site.Conto 1922 . . . 08 March 2014 by ?:
Site.Calculimètre Charpentier 1881 ? . . . 08 March 2014 by ?:
Site.Old Babylonian cuneiform tag, ~1894 - ~1595 BCE . . . 12 October 2013 by ?:
Site.Stepping stones: toward the end of calculators . . . 15 August 2013 by ?:
Site.Publishing the web pages . . . August 14, 2013, at 08:08 AM by ?:
Site.Wikipublisher . . . August 14, 2013, at 08:05 AM by ?:
Site.Print Book . . . August 14, 2013, at 07:09 AM by ?:
Site.Stepping stones: toward the end of calculators . . . August 14, 2013, at 06:59 AM by ?:
Site.e-Library . . . August 14, 2013, at 05:17 AM by ?:
Site.Original Ohdner 39-1951 . . . August 13, 2013, at 07:23 AM by ?:
Site.Print Book . . . August 11, 2013, at 09:26 PM by ?:
Site.A More Personal Explanation ? . . . August 11, 2013, at 08:54 PM by ?:
Main.An explanation? . . . August 11, 2013, at 07:49 AM by ?:
Site.An explanation? . . . August 11, 2013, at 07:27 AM by ?:
Site.The Late Modern Period (from 1800) . . . August 08, 2013, at 05:23 AM by ?:
Site.Pub Images Test . . . August 07, 2013, at 07:53 PM by ?:
Site.Print Book . . . August 03, 2013, at 10:23 PM by ?:
Site.Book Print Header . . . August 03, 2013, at 10:19 AM by ?:
Site.Float Template . . . August 03, 2013, at 04:54 AM by ?:
Site.Publish Template . . . August 03, 2013, at 04:28 AM by ?:
Site.Test Site For Book Break Up . . . August 02, 2013, at 11:00 PM by ?:
Site.The Late Modern Period (from 1800) . . . July 31, 2013, at 07:08 AM by ?:
Site.Initial Draft Of Introduction . . . July 25, 2013, at 10:16 AM by ?:
Site.Rack Mechanism of a Euklid-Mercedes Calculator . . . July 25, 2013, at 10:08 AM by ?:
Site.Rack Mechanism of an Euklid-Mercedes Calculator . . . July 25, 2013, at 10:08 AM by ?:
Site.Rack Mech . . . July 25, 2013, at 10:08 AM by ?:
Site.Objects in collection Calculant . . . July 24, 2013, at 02:03 AM by ?:
Main.Stepping stones toward the end of calculators . . . July 24, 2013, at 01:50 AM by ?:
Main.Stepping stones toward the end of calculators . . . July 24, 2013, at 01:44 AM by ?:
Site.Stepping stones toward the end of calculators . . . July 24, 2013, at 01:38 AM by ?:
Site.Stepping stones towards the end of calculators . . . July 24, 2013, at 01:34 AM by ?:
Site.Stepping stones to the end of calculators . . . July 23, 2013, at 10:38 PM by ?:
Site.A collection & history: the development of mechanical calculation . . . July 23, 2013, at 08:56 PM by ?:
Main.A collection & history: the development of mechanical calculation . . . July 23, 2013, at 08:56 PM by ?:
Site.Conditions Of Use . . . July 23, 2013, at 12:00 AM by ?:
Site.Step Drum in the TIM arithmometer . . . July 22, 2013, at 02:51 AM by ?:
Site.Demonstration Pinwheel . . . July 22, 2013, at 02:49 AM by ?:
Site.Pinwheel Calculator Mechanism . . . July 22, 2013, at 01:50 AM by ?:
Site.Demonstration Pinwheel . . . July 22, 2013, at 01:49 AM by ?:
Site.Mechanism of Thomas de Colmar’s arithmometer as in 1862 . . . July 20, 2013, at 10:47 PM by ?:
Site.Mechanism of Thomas de Colmar’s Arithmometer as in 1862 . . . July 20, 2013, at 10:47 PM by ?:
Site.Thomas Mechanism . . . July 20, 2013, at 10:47 PM by ?:
Site.Adix 1903 . . . July 20, 2013, at 02:34 AM by ?:
Site.Locke Adder 1905-11 . . . July 20, 2013, at 01:14 AM by ?:
Site.Objects In The Collection . . . July 20, 2013, at 01:13 AM by ?:
Site.Locke Adder 1905 . . . July 20, 2013, at 01:12 AM by ?:
Site.Locke 1901 . . . July 20, 2013, at 01:12 AM by ?:
Site.Ropp 1892 . . . July 19, 2013, at 10:49 PM by ?:
Main.Calculant Home Page . . . July 19, 2013, at 08:19 AM by ?:
Site.History Contents . . . July 19, 2013, at 08:15 AM by ?:
Site.CHAIX 1790 . . . July 19, 2013, at 07:56 AM by ?:
Site.Napier’s Rods 1797 and methods of Inland Navigation . . . July 19, 2013, at 02:22 AM by ?:
Site.Napier’s Rods 1759 and methods of Inland Navigation . . . July 18, 2013, at 01:45 AM by ?:
Site.Diderot 1759 . . . July 16, 2013, at 09:36 PM by ?:
Site.Monro 1937 . . . July 16, 2013, at 10:03 AM by ?:
Site.Hertzstark 1913 . . . July 16, 2013, at 10:03 AM by ?:
Part2.The Modern Epoch And The Emergence Of The Modern Calculator ? . . . July 16, 2013, at 09:04 AM by ?:
Site.Introduction . . . July 16, 2013, at 01:15 AM by ?:
Site.Part 2. The Modern Era - The Emergence of the Modern Caclulator . . . July 15, 2013, at 08:50 PM by ?:
Site.Part 2. The Modern Era . . . July 15, 2013, at 08:49 PM by ?:
Site.The Modern Epoch And The Emergence Of The Modern Calculator . . . July 15, 2013, at 08:46 PM by ?:
Part2.History Trail . . . July 15, 2013, at 10:06 AM by ?:
Site.Calculant History Contents . . . July 01, 2013, at 09:15 AM by ?:
Site.The Late Modern Period (1800 -) and commercial mechanical calculation . . . June 30, 2013, at 07:57 AM by ?:
Site.Late Modern . . . June 30, 2013, at 07:53 AM by ?:
Site.Morland 1672 . . . June 22, 2013, at 10:55 PM by ?:
Site.Other Objects Referenced . . . June 21, 2013, at 10:03 PM by ?:
Site.Testpagefor Gallery . . . June 01, 2013, at 06:14 AM by ?:
Site.O List . . . March 14, 2013, at 10:53 PM by ?:
Site.Trail Index 1 . . . January 03, 2013, at 01:30 AM by ?:
Site.~1846: Palmer’s Computing Scale and Fuller’s Time Telegraph . . . November 10, 2012, at 04:46 AM by ?:
Site.Palmers Computing Scale 1846 . . . November 10, 2012, at 02:28 AM by ?:
Site.Thacher 1911 . . . November 06, 2012, at 04:37 PM by ?:
Site.Bamberger Omega 1904 . . . November 05, 2012, at 11:15 PM by ?:
Site.1893-1898: Tavernier-Gravet Slide Rule . . . November 05, 2012, at 10:03 PM by ?:
Site.Gunter Rule 1836 . . . November 03, 2012, at 06:09 AM by ?:
Site.1893-1898: Tavernier Gravet Slide Rule . . . November 03, 2012, at 04:38 AM by ?:
Site.1893-1898: Tavernier Gravet Lenoir pattern Slide Rule . . . November 01, 2012, at 09:10 PM by ?:
Site.Tavernier Gravet 1893-8 . . . November 01, 2012, at 09:08 PM by ?:
Site.Tavernier Gravet 1895-8 . . . November 01, 2012, at 09:07 PM by ?:
Site.SEE 1968 . . . September 01, 2012, at 05:58 AM by ?:
Site.Bloch Schnellkalkulator 1924 . . . August 30, 2012, at 07:51 AM by ?:
Site.Jetton 1480 . . . August 29, 2012, at 01:32 AM by ?:
Introduction.Introduction . . . July 23, 2012, at 09:59 AM by ?:
Site.Beginnings . . . July 23, 2012, at 09:58 AM by ?:
Site.Interacting With The Site . . . July 23, 2012, at 05:14 AM by ?:
Site.Pascaline . . . July 22, 2012, at 02:52 AM by ?:
Site.E Library . . . July 21, 2012, at 08:40 PM by ?:
Site.Nomography . . . July 16, 2012, at 08:15 AM by ?:
Site.Keuffel And Esser 1908 . . . July 12, 2012, at 10:10 AM by ?:
Part2.TheModernEpochAndTheEmergenceOfTheModernCalculator ? . . . June 25, 2012, at 09:18 AM by ?:
Site.Calculi1577 . . . June 25, 2012, at 03:10 AM by ?:
Site.ObjectsInTheCollection . . . June 25, 2012, at 03:04 AM by ?:
Main.RecentPublications . . . June 20, 2012, at 08:44 AM by ?:
Site.Schickard1623 . . . June 20, 2012, at 06:47 AM by ?:
Site.Part1BeforeTheModernEpoch . . . June 18, 2012, at 01:56 AM by ?:
Site.ButterfieldSector1700 . . . June 16, 2012, at 11:03 PM by ?:
Site.Introduction . . . June 16, 2012, at 09:38 AM by ?:
Site.SideBar . . . June 16, 2012, at 08:33 AM by ?:
Site.Calculating . . . June 16, 2012, at 08:32 AM by ?:
Site.Skies . . . June 16, 2012, at 08:32 AM by ?:
Site.Counting . . . June 16, 2012, at 08:19 AM by ?:
Site.Origins . . . June 16, 2012, at 08:18 AM by ?:
Site.BeginningsOfCalculating . . . June 16, 2012, at 08:11 AM by ?:
Site.CalculatingTheSkies . . . June 16, 2012, at 08:10 AM by ?:
Site.DraftPagesNotYetFunctioning . . . June 16, 2012, at 07:10 AM by ?:
Site.BlochSchnellkalulatorsInCollections . . . June 16, 2012, at 02:00 AM by ?:
Site.BlochSchnellkalkulator1924 . . . June 16, 2012, at 01:52 AM by ?:
Site.BlochSchnellkalkulator1919 . . . June 15, 2012, at 11:10 PM by ?:
Site.Millionaire1912 . . . June 15, 2012, at 10:56 AM by ?:
Site.ELibrary . . . June 14, 2012, at 02:59 AM by ?:
Site.HenriMorin1880 . . . June 01, 2012, at 11:33 AM by ?:
Site.Scribola1922 . . . May 26, 2012, at 06:26 AM by ?:
Site.Jefferys1750-1800 . . . May 25, 2012, at 09:17 AM by ?:
Site.DividersC18 . . . May 24, 2012, at 05:51 AM by ?:
Site.BambergerOmega1904 . . . May 19, 2012, at 10:02 PM by ?:
Site.GunterRule1836 . . . May 07, 2012, at 09:41 AM by ?:
Main.AMorePersonalExplanation . . . April 22, 2012, at 01:46 AM by ?:
Site.Ropp1892 . . . February 26, 2012, at 10:56 AM by Jim Falk ?:
Site.Henrion1626 . . . February 26, 2012, at 10:53 AM by Jim Falk ?:
Main.HomePage . . . February 18, 2012, at 08:55 AM by Jim Falk ?:
Site.Madas-IX-Maxima . . . February 18, 2012, at 08:44 AM by Jim Falk ?:
Site.HP-45-1973 . . . February 18, 2012, at 05:26 AM by Jim Falk ?:
Site.MADASInstructionCard . . . February 18, 2012, at 05:21 AM by Jim Falk ?:
Site.Abacus . . . February 18, 2012, at 02:41 AM by Jim Falk ?:
Site.Menus . . . February 04, 2012, at 04:58 AM by Jim Falk ?:
Site.InteractingWithTheSite . . . February 04, 2012, at 04:56 AM by Jim Falk ?:
Site.EvolvingMathematics . . . February 04, 2012, at 03:39 AM by Jim Falk ?:
Site.HerosEngine . . . January 25, 2012, at 05:52 AM by Jim Falk ?:
Main.Contact . . . January 20, 2012, at 02:10 AM by Jim Falk ?:
Site.OriginalOhdner39-1951 . . . January 15, 2012, at 08:11 PM by Jim Falk ?:
Site.OriginalOhdner391950 . . . January 15, 2012, at 08:10 PM by Jim Falk ?:
Site.OriginalOhdnerM-602-7 . . . January 15, 2012, at 07:14 PM by Jim Falk ?:
Site.OriginalOhdner1938 . . . January 15, 2012, at 08:16 AM by Jim Falk ?:
Site.Hertstark1929 . . . January 13, 2012, at 08:49 AM by Jim Falk ?:
Site.Adall1910 . . . January 13, 2012, at 05:50 AM by Jim Falk ?:
Site.ThreeSlideRuleDesigns1727 . . . January 03, 2012, at 09:00 PM by ?:
Site.SlideRuleDesign1670 . . . January 03, 2012, at 07:24 AM by ?:
Main.WikiSandbox . . . January 02, 2012, at 05:44 AM by ?:
Site.Bollee1890 . . . January 02, 2012, at 05:03 AM by ?:
Site.GunterHenrion1626 . . . January 01, 2012, at 11:26 PM by ?:
Site.DoublettSector1830 . . . December 17, 2011, at 06:36 PM by Jim Falk ?:
Site.SiteSpecificInformation . . . December 17, 2011, at 06:26 AM by Jim Falk ?:
Site.BunzelPrototype1913 . . . December 12, 2011, at 07:17 AM by Jim Falk ?:
Site.Gardiner1783 . . . December 12, 2011, at 06:01 AM by Jim Falk ?:
Site.Astrolabe . . . December 12, 2011, at 03:41 AM by Jim Falk ?:
Main.MailSentSuccessfully . . . December 11, 2011, at 05:59 AM by ?:
Main.FakesAndFalsePromises . . . December 10, 2011, at 07:20 PM by Jim Falk ?:
Site.HP-451973 . . . December 08, 2011, at 06:43 AM by Jim Falk ?:
Site.HP-35-1972 . . . December 08, 2011, at 06:43 AM by Jim Falk ?:
Site.HP-351972 . . . December 08, 2011, at 06:42 AM by Jim Falk ?:
Site.Curta-2-1963 . . . December 08, 2011, at 06:42 AM by Jim Falk ?:
Site.Curta21963 . . . December 08, 2011, at 06:41 AM by Jim Falk ?:
Site.Curta-1-1967 . . . December 08, 2011, at 06:40 AM by Jim Falk ?:
Site.Curta11967 . . . December 08, 2011, at 06:40 AM by Jim Falk ?:
Site.Curta-1-1948 . . . December 08, 2011, at 06:39 AM by Jim Falk ?:
Site.LightningBooklet2 . . . December 08, 2011, at 06:34 AM by Jim Falk ?:
Site.MADAS1950-60s . . . December 08, 2011, at 05:01 AM by Jim Falk ?:
Site.Curta11948 . . . December 08, 2011, at 04:51 AM by Jim Falk ?:
Site.SumlockComptometer1950s . . . December 08, 2011, at 04:50 AM by Jim Falk ?:
Site.SumlockDemonstrator1955 . . . December 08, 2011, at 04:48 AM by Jim Falk ?:
Site.ComptometerOilBottle1907 . . . December 08, 2011, at 04:45 AM by Jim Falk ?:
Site.ComptometerWoodie1896 . . . December 08, 2011, at 04:44 AM by Jim Falk ?:
Site.Walther1957 . . . December 08, 2011, at 04:42 AM by Jim Falk ?:
Site.WaltherDemonstrator1957 . . . December 08, 2011, at 04:41 AM by Jim Falk ?:
Site.Facit1945 . . . December 08, 2011, at 04:38 AM by Jim Falk ?:
Site.BrunsvigaSchuster1896 . . . December 08, 2011, at 04:36 AM by Jim Falk ?:
Site.Mercedes291923 . . . December 08, 2011, at 03:42 AM by Jim Falk ?:
Site.Mercedes29Demonstrator1923 . . . December 08, 2011, at 03:41 AM by Jim Falk ?:
Site.TIM1909 . . . December 08, 2011, at 03:29 AM by Jim Falk ?:
Site.ThomasDeColmar1884 . . . December 08, 2011, at 03:23 AM by Jim Falk ?:
Site.Adix1903 . . . December 08, 2011, at 03:18 AM by Jim Falk ?:
Site.Lightning1946 . . . December 08, 2011, at 03:16 AM by Jim Falk ?:
Site.Addiator1920 . . . December 08, 2011, at 03:14 AM by Jim Falk ?:
Site.GoldenGem1915 . . . December 08, 2011, at 03:08 AM by Jim Falk ?:
Site.Comptator1910 . . . December 08, 2011, at 03:06 AM by Jim Falk ?:
Site.Stevenson1890 . . . December 08, 2011, at 03:04 AM by Jim Falk ?:
Site.Webb1869 . . . December 08, 2011, at 01:56 AM by Jim Falk ?:
Site.KL11960s . . . December 08, 2011, at 01:50 AM by Jim Falk ?:
Site.Fowler1948 . . . December 08, 2011, at 01:48 AM by Jim Falk ?:
Site.Supremathic1935 . . . December 08, 2011, at 01:46 AM by Jim Falk ?:
Site.OtisKing1960 . . . December 08, 2011, at 01:45 AM by Jim Falk ?:
Site.Fuller1926 . . . December 08, 2011, at 01:42 AM by Jim Falk ?:
Site.Thacher1911 . . . December 08, 2011, at 01:40 AM by Jim Falk ?:
Site.FaberCastell1967 . . . December 07, 2011, at 07:39 AM by Jim Falk ?:
Site.KeuffelAndEsser1908 . . . December 07, 2011, at 07:37 AM by Jim Falk ?:
Site.KeuffelAndEsser1903 . . . December 07, 2011, at 07:36 AM by Jim Falk ?:
Site.KAmpE1903 . . . December 07, 2011, at 07:33 AM by Jim Falk ?:
Site.Everard1759 . . . December 07, 2011, at 07:32 AM by Jim Falk ?:
Site.CHAIX1790 . . . December 07, 2011, at 07:29 AM by Jim Falk ?:
Site.Morland1672 . . . December 07, 2011, at 06:56 AM by Jim Falk ?:
Site.Henrion1662 . . . December 05, 2011, at 05:10 PM by Jim Falk ?:
Site.ObjectsSortedByType . . . December 04, 2011, at 08:56 PM by Jim Falk ?:
Site.ObjectPageTitles . . . December 04, 2011, at 07:35 PM by Jim Falk ?:
Site.Thacher-1911 . . . December 04, 2011, at 08:27 AM by Jim Falk ?:
Site.Henrion . . . December 04, 2011, at 07:44 AM by Jim Falk ?:
Main.BunzelArithmometer . . . December 02, 2011, at 08:58 AM by Jim Falk ?:
Main.HewlettPackardCalculators . . . November 27, 2011, at 09:16 PM by ?:
Site.ObjectsSortedByDate . . . November 27, 2011, at 06:55 PM by ?:
Main.MichaelButterfied . . . November 27, 2011, at 06:39 PM by ?:

Pages linked to this page

This work by Jim Falk is licensed under a Creative Commons Attribution-NonCommercial-NoDerivs 3.0 Unported License Click on the logo to the left to see the terms on which you can use it.

Page last modified on 10 July 2024