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Mechanical Calculators Manufacturer Database
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Brand
|
Manufacturer |
Origin |
First |
Last |
Type |
Info |
|
| G | |||||||
 | G. Marcantoni & Co. | ITA | 1960s | - | S |  | |
 | Gab-Ka | Zephir Co. | FRA | 1906 | - | M | - |
| Gamma Finommechanikai és Optikai Múvek N. V | HUN | 1941 | - | S | | |
| Gardner Calculator Co. | USA | <1928 | 1937 | M | - | |
| Gauss | Hamann | GER | 1905 | - | M | - |
| Gauss Calculating Machine | GER | 1924 | - | M | - | |
| Gbr. Wichmann | GER | - | - | S | | |
| General Dynamics | USA | 1960s | 1977 | SP | | |
| General Electric | USA | 1947 | - | D | | |
| General-Gilbert Co. | USA | - | - | ? | - | |
| Geo. G. Richardson | USA | 1920s | - | S | | |
| Geobra Brandstätter | GER | 1867 | - | A | | |
| Georg Bloch | GER | <1919 | - | A | | |
| Geotec | Hemmi | CAN | 1960s | - | S | |
| Gerber Scientific Instrument Co. | USA | - | - | S | | |
| Gerber Scientific Instrument Co. | USA | - | - | SP | | |
 | Gersten, Christian Ludwig | GER | 1735 | - | M | | |
| Gesellschaft für Maschinenbau und Elektrische Neuheiten | GER | - | - | E | - | |
| Gesellschaft fur Präzionstechnik GmbH | GER | - | - | A | - | |
| Gilson Slide Rule Co. | USA | 1915 | > 1975 | A, S | | |
| Gisholt Machine Co. | USA | - | - | S | | |
| Giuseppe Inzadi Milano (GIM) | ITA | 1939 | > 1947 | M | | |
| Globemaster | USA | - | - | S | | |
| Globus | Otto Rübner | GER | 1928 | - | M | - |
| GNT Automatic A/S (IME peripherics) | DEN | 1969 | - | E | - | |
| Gobel Multiplying Bookkeeping Machine Co. | USA | <1925 | - | M | - | |
| Goldberg, H.E. | USA | 1905 | - | M | - | |
| Golden Gem | Automatic Adding Machine Co. | USA | 1904 | 1925 | M | - |
| Goldman, Henry | USA | 1899 | 1906 | C | | |
| Goldschmidt, J. | FRA | 1906 | - | M | - | |
| Gong Se He Ying | Hangzhou Stationery Factory | CHN | - | - | S | |
| Gonnella, Tito | ITA | 1859 | - | A | - | |
| Goron | FRA | 1958 | - | M | - | |
| Görz | Optische Antstalt C.P. Goerz A.G. | GER | <1907 | 1929 | A | |
| GOST | RUS | 1978 | - | S |  | |
| Graber Calculating Machine | USA | 1895 | 1905 | A | - | |
| Gräber, Joseph | AUT | 1903 | - | M | - | |
| Grant, George B. | USA | 1877 | - | M | - | |
| Graphic Calculator Co | USA | - | - | S | | |
 | Graphoplex | FRA | - | - | S | | |
| Gravet Lenoir | FRA | >1827 | - | S | - | |
| Gray Arithmometer Corp. | USA | 1945 | - | A | | |
| Greif | Gesellschaft für Maschinenbau | GER | 1908 | - | M | - |
| Griffin Computors | AUS | - | - | S | | |
| Grillet | FRA | 1678 | - | A | - | |
| Grimme, Natalis & Co., AG | GER | 1871 | - | M | | |
| Groesbeck Calculating Machine | Ziegler and McCudry | USA | 1870 | - | M | - |
| Grunder, Johannes Gottfried | SWI | 1945 | - | A | | |
| Guedon | USA | - | - | S | | |
| Guinigi, Niccola | ITA | 1859 | - | A | - | |
| Gundlach, Friedrich Wilhelm | Technische Hochschule Darmstadt | GER | - | - | D | |
| Gunter, Edmund | UK | >1700 | - | S | | |
| Gurley, L.E. / Cox | USA | 1899 | - | S | | |
| Gutschow & Company GmbH | GER | 1920s | - | M | | |
| Guyard & Canari | FRA | - | - | S | | |
| Guy´s Calculating Machines Ltd. | UK | - | - | M | - | |
(c) epocalc 2012