 |
|
|
|
|
|
|
|
|
|
|
|
|
 |
 |
 |
 |
 |
 |
 |
 |
|
||||
 |
 |
 |
 |
 |
 |
|
||||||
|
|||||||||||||||||||||||||||||||||||||||||
 |
Thomas de Colmar models |
First models |
||
T1820 4x0x8 Mult. |
T1822 3x0x6 Mult. |
|
 |
 |
|
"1848-49" models |
||
T1849 Additionneuse |
T1848 5x0x10 Mult |
|
.jpg) |
 |
|
"1850" models |
||
T1850 A 5x0x10 Mult. |
T1850 B 8x0x16 Mult. |
|
 |
 |
|
"1852" models |
||
T1852 A 5x0x10 |
T1852 B 6x0x12 |
|
 |
 |
|
T1852 C 8x0x16 |
T1852 C' 8x0x16 |
|
 |
 |
|
"Piano" 1855 |
P 1855 15x16x30 |
 |
"1856" models (with unique counter) |
||
T1856 A 6x0x12 |
T1856 B 8x0x16 |
|
 |
? |
|
"1858" models "Introduction of multiple counters"(Quotient) |
||
T1858 A 6x7x12 |
T1858 B 8x9x16 |
|
 |
? |
|
"1860" models |
||
T1860 A 6x7x12 |
T1860 B 8x9x16 |
|
 |
 |
|
"1863-... model (without revolution counters) |
T1863 A- |
 |
"1865" models |
||
T1865 A |
T1865 B 8x9x16 (with / with not zeroing mechanism for the counters) |
|
 |
 |
|
T1865 C 11x11x20 |
||
 |
||
www.arithmometre.org 2011 |