Category:Thomas arithmometer

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This category lists the [Mecanical calculators] invented by Charles-Xavier Thomas, de Colmar, also known as Thomas de Colmar. First patent in 1820. He also invented the name "Arithmomètre". This name became a generic name for some decades. See also Payen arithmometer for similar machines made by his mechanics after his death.

Subcategories

This category has the following 2 subcategories, out of 2 total.

C

Colmar calculating machine - CnAM 9175‎ (10 F)

T

Thomas arithmometer in the Ural Geological Museum‎ (3 F)

Media in category "Thomas arithmometer"

The following 23 files are in this category, out of 23 total.

Arithmometer - Detail of Multiplier pre 1851.jpg 886 × 520; 130 KB
Arithmometer - One of the first machines with unique serial number.jpg 639 × 496; 104 KB
Arithmometer 1860.JPG 5,184 × 3,456; 6.47 MB
Arithmometer Colmar 1852.jpg 2,754 × 1,527; 2.1 MB
Arithmometer T1850 dedicated to Comte de Trapani.jpg 1,200 × 900; 347 KB
Arithmometer-ThomasDeColmar1850.jpg 900 × 675; 298 KB
Arithmometre (cropped).jpg 535 × 447; 45 KB
Arithmometre, designed by Charles Xavier Thomas, c. 1820, for the four rules of arithmetic, manufactured 1866-1870 AD, TM10901 - Tekniska museet - Stockholm, Sweden - DSC01567.JPG 5,372 × 3,205; 9.85 MB
Arithmometre.jpg 591 × 447; 46 KB
Arithmomètre Arithmometer Some of the logos used over the years alt.gif 800 × 858; 262 KB
Arithmomètre Arithmometer Some of the logos used over the years.gif 400 × 286; 241 KB
Aritnometro-Madrid-2011.JPG 3,888 × 2,592; 3.69 MB
Comte de Trapani - partie et contrepartie Boulle marquetry.jpg 1,200 × 788; 439 KB
Die Gartenlaube (1865) b 360 1.jpg 1,932 × 811; 225 KB
Die Gartenlaube (1865) b 360 2.jpg 1,820 × 1,233; 142 KB
Mechanism Arithmometer 1822.png 1,161 × 573; 1.41 MB
Platine Arithmometer 1822.png 1,161 × 573; 1.31 MB
Rechenmaschine Arithmometre TSD (2).jpg 1,614 × 930; 854 KB
Rechenmaschine Arithmometre TSD (3).jpg 3,911 × 1,773; 3.29 MB
Rechenmaschine Arithmometre TSD.jpg 3,762 × 1,629; 3 MB
Thomas Arithmometer 1975.png 1,092 × 552; 1.22 MB
Tomas De Colmer Arithmometer, 1821 - Ridai Museum of Modern Science, Tokyo - DSC07591.JPG 5,290 × 3,213; 9.04 MB
Vue Detaillée Platines de l'Arithmométre.jpg 1,074 × 292; 52 KB

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