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**Bibliogr. Institut in Leipzig, //Zum Art "Rechenmaschinen"// (Bld. 21). Original wood engraved plate, pp. 1-2, showing engravings of calculating machines.**

Above:  by (1) Pascal's arithmomete and  (2) Leibniz's arithmometer, and (3) Steiger and Egli's (Millionaire)

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Above: , Calculating machines by (4) J. H. Müller, (5) Burkhard (based on that of Thomas de Colmar), (6) Brunsviga,  and (7-8) Burroughs.

**Note similar machines in collection Calculant:**
*[[Site.Pascaline1652|'1652': Pascaline (Replica)]]

* [[Millionaire 1912|1912: Millionaire Calculating Machine serial 2015 (10x10x20)]]

* [[Thomas De Colmar 1884|1884: Thomas de Colmar Arithmometer Model T1878 B, serial 2083]] 

* [[Brunsviga Schuster 1896|~1896: Ohdner Brunsviga Schuster Calculator serial 3406]]