|
Jahr
|
Konstrukteur
|
Maschinentyp
|
Originale
(Quellen)
|
| 1820
|
Thomas
(F) |
Staffelwalze
|
1,
SIW |
| 1830
|
Tyrell
(E) |
Addiermaschine
|
(Lit)
|
| 1830
|
Sauter
(D) |
Addiermaschine
|
1,
SML |
| 1833 |
Downing (E) |
Rechenmaschine
|
(Pat)
|
| 1835
|
Kohler
|
- |
(Lit)
|
| 1835 |
Holland (E) |
-
|
(Pat)
|
| 1841 |
Roth (F) |
Addiermaschine |
div.
TM |
| 1842
|
Roth
(F) |
Sprossenrad
|
2,
CNAM |
| 1842
|
Barnet
(E) |
- |
(Pat) |
| 1842
|
Marston
(E) |
- |
(Pat) |
| 1843
|
Wertheimber
(E) |
Sprossenrad
|
(Pat) |
| 1844
|
Slonimski
(P) |
Addiermaschine
|
(Lit) |
| 1844
|
Slonimski
(P) |
Rechenmaschine
|
(Lit) |
| 1845
|
Staffel
(P) |
Addiermaschine
|
1,
LMB |
| 1845
|
Staffel
(P) |
Rechenmaschine
|
(Lit) |
| 1848
|
Thomas
(F) |
Staffelwalze |
1,
Christies´s April 94 |
| 1849
|
Maurel&Jayet
(F) |
Staffelwalze
|
5,
CNAM,LMB,SML,FDM |
|
|
|
|
|