Statistics

335 machines listed! Yes! This is the result of a long work of research and partnership. Thank you again to museums around the world and  private collectors who have helped me in this crusade! There is still some way  to do, hypotheses to be tested, but the puzzle is set up, slowly ....  / VM


Updated March 2016
How many machines have survived ?

Type
Capacity
Model
Years
Quantity
Estimated production
Ratio
           
Thomas de Colmar's models
     
 
T 1822 -
3x0x6
1822-...
1
< 3
-
T 1848 -
5x0x10
1846-1849
1
< 5
-
T 1850 A
5x0x10
1850-1852
5
<100*
< 5 %
T 1850 B
8x0x16
1850-1852
3
< 50
< 6 %
T 1852 A
5x0x10
1852-...
6
< 100
< 5 %
T 1852 C
8x0x16
1852-...
8
< 100
< 7 %
PianoXL
15x16x30
1854-1855
1
-
-
T 1856 A
6x0x12
1856-...
1
< 10
< 10 %
T 1858 A
6x7x12
1858-...
2
< 20
< 5 %
T 1860 A
6x7x12
1860-...
5
< 60
< 7 %
T 1860 B
8x9x16
1860-...
2
< 20
< 10 %
T 1863 A
5x0x10
1863-...
12
50
22 %
T 1865 A
6x7x12
1865-...
53
?? 600 ??
8 % ?
T 1865 B
8x9x16
1865-...
90
?? 950 ??
8 % ?
T 1865 C
10x11x20
1865-...
26
?? 220 ??
10 % ?
       
216
N= 2200/ 2300
8,7%
* Production of T1850 A could be much less .It is possible that a centain of numbers was assigned in the workshop register, but after all, few of them was used (built)... This hypothesis is evaluated.
             
Prototype
8x9x16- M
-
1880-...
1
-
-
           
 
Payen's models
           
P 1 A
6x7x12
1887-...
9
80
10 %
P 1 B
8x9x16
1887-...
3
60
5 %
P 2 A
6x7x12
1889-...
8
170
4 %
P 2 B
8x9x16
1889-...
16
340
4 %
P 2 C
10x11x20
1889-...
5
70
8,5%
P 3 A
6x7x12
1896-...
12
?? > 145 ??
6,5 % ?
P 3 B
8x9x16
1896-...
31
?? < 690 ??
4 % ?
P 3 C
10x11x20
1896-...
2
20
5%
P 4 A
7x7x12
1907-...
5
A l'étude
A l'étude
P 4 B
9x9x18
1907-...
19
A l'étude
A l'étude
P 4 C
11x11x20
1907-...
8
A l'étude
A l'étude
       
118

 

New machines listed during year 2015
N=12
     
SN 3173 (P3 B)
SN 11 (T1860 B)
SN 147 (T1852 A)
     
SN 1032 (T1865 B)
SN 1873 (T1865 A)
SN 2158 (T1865 B)
      
SN 1314 (T1865 C) (Modifié)
SN 2888 (P2 A)
SN 3786 ()
     
SN (1)511 (P4 A)
SN 1067
SN 1319
      
SN 100
SN 2593
SN 514 (T1863 A)

 

www.arithmometre.org
2016