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Mechanical Calculators Manufacturer Database
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Brand
|
Manufacturer |
Origin |
Founded |
Ended |
Type |
Info |
All (1162 brands) | - | - | - | - | - | - |
| A (113 brands) | - | - | - | - | - | - |
| B (85 brands) | - | - | - | - | - | - |
| C (72 brands) | - | - | - | - | - | - |
| D (53 brands) | - | - | - | - | - | - |
| E (40 brands) | - | - | - | - | - | - |
| F (51 brands) | - | - | - | - | - | - |
| G (47 brands) | - | - | - | - | - | - |
| H (48 brands) | - | - | - | - | - | - |
| I (15 brands) | - | - | - | - | - | - |
| J (17 brands) | - | - | - | - | - | - |
| K (37 brands) | - | - | - | - | - | - |
| L (45 brands) | - | - | - | - | - | - |
| M (85 brands) | - | - | - | - | - | - |
| N (25 brands) | - | - | - | - | - | - |
| O (28 brands) | - | - | - | - | - | - |
O.K.E | - | ARG | - | - | S | - |
OAO Kalibr | - | RUS | - | - | S |  |
ODELCO | SUN | ? | - | - | S | |
Odhner | - | SWE | 1874 | 1973 | M, E | |
Oerlikon-Bührle & Co. | - | SWI | 1906 | act. | E | - |
Ohmoto Tekko | - | JAP | <1923 | - | M | |
Oliver Co. | - | AUT | - | - | M | - |
Olivetti Industria | - | ARG | - | - | M | - |
Olpimatic | - | GER | 50's | - | M | - |
Olson | Relay/Ricoh | USA | - | - | S | |
Olympe | - | ? | - | - | M | - |
Olympi | Olympia-Werke AG | GER | 1948 | act. | M, E | |
OMARO | - | FRA | - | - | S | |
Omega | Wescosa | USA | - | - | A | - |
Omega | Relay/Ricoh | USA | - | - | S | |
Optima | - | GER | 1910 | - | M | - |
Optische Antstalt C.P. Goerz A.G. | - | GER | - | - | A | - |
Optischen Maschinenbaum-Industrie AG (OMIAG) | - | GER | 1924 | - | M, S | - |
Orga AG | - | GER | 1920 | - | M | - |
Orga-Constant | Maschinenbau Koch | GER | 1921 | - | M | - |
Oriette | - | ? | 1957 | 1959 | M | - |
Orlin | - | ? | 1892 | - | M | - |
Otis King | Carbic, Ltd. | UK | < 1940 | > 1950 | S | |
Ott, Max | - | GER | - | - | ? | - |
Otto Holzapfel und Cie. | - | GER | 1914 | 1953 | M | |
Otto Meuter & Sohn | - | GER | 1928 | 1973 | A | |
Oxner Rechnemaschinen-Fabrik | - | SWI | - | 1951 | M | - |
Ozone | - | ? | - | - | S | - |
| P (55 brands) | - | - | - | - | - | - |
| Q (5 brands) | - | - | - | - | - | - |
| R (57 brands) | - | - | - | - | - | - |
| S (126 brands) | - | - | - | - | - | - |
| T (69 brands) | - | - | - | - | - | - |
| U (19 brands) | - | - | - | - | - | - |
| V (25 brands) | - | - | - | - | - | - |
| W (34 brands) | - | - | - | - | - | - |
| X (2 brands) | - | - | - | - | - | - |
| Y (2 brands) | - | - | - | - | - | - |
| Z (7 brands) | - | - | - | - | - | - |
(c) epocalc 2012