'+Logarithmic Tables+'

* [[site.Henrion1662]]

* [[site.Gardiner1783]]

'+First Devices+'

* [[site.Abacus]]

* [[site.Schickard1623]] 

'+The first "Computer Manual"+'

* [[site.Morland1672]]

'+Sectors+'

* [[site.ButterfieldSector1700]]

* [[DoublettSector1830]]

'+Conversion Devices+'

* [[site.CHAIX1790]]

'+Slide Rules+'

* [[site.Everard1759]]

* [[site.K&E1903]]

* [[site.FaberCastell1967]]

'+Cylindrical Slide Rules+'

* [[site.Thacher1911]]

* [[site.Fuller1926]]

'+Circular Slide Rules+'

* [[site.Otis King 1960]]

* [[site.Supremathic1935]]

* [[site.Fowler1948]]

* [[site.KL11960s]]

'+Troncet Type Devices+'

* [[site.Webb1869]]

* [[site.Stevenson1890]]

* [[site.Comptator1910]]

* [[site.GoldenGem1915]]

* [[site.Addiator1920]]

* [[site.Lightning1946]]

'+Keyboard Adding Machines+'

* [[site.Adix1903]]

'+Arithmometers+'

* [[site.ThomasdeColmar1884]]

* [[TIM1909]]

* [[site.BunzelPrototype1913]]

'+True Multiplying Calculators+'

* [[site.BambergerOmega1904]]

* [[site.Millionaire1912]]

'+Proportional Rod Calculators+'

* [[site.Mercedes29Demonstrator1923]]

* [[site.Mercedes291923]]

'+Pinwheel Calculators+'

* [[site.BrunsvigaSchuster1896]]

* [[site.Facit 1945]]

* [[site.WaltherDemonstrator1957]]

* [[site.Walther 1957]]

'+Comptometers+'

* [[site.Comptometer"Woodie"1896]]

* [[site.ComptometerOilBottle1907]]

* [[site.SumlockDemonstrator1955]]

* [[site.SumlockComptometer1950s]]

'+Curta Calculators+'

* [[site.Curta11948]]

* [[site.Curta11967]]

* [[site.Curta21963]]

'+Motorised Calculating Machines+'

* [[site.Hertstark1929]]

* [[site.MADAS1950-60s]]

'+Electronic Calculators+'

* [[site.HP-351972]]

* [[site.HP-4519733]]

______


'+Ephemerae+'

* [[Lightning booklet 2]]