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Mechanical Calculators Manufacturer Database
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Brand
|
Manufacturer |
Origin |
First |
Last |
Type |
Info |
|
| H | |||||||
 | H. Morin | FRA | - | - | S |  | |
| H. Oehlmann & Co. | GER | 1913 | - | M | | |
| H.C. Lange | GER | - | - | S |  | |
| H.R. Potter | UK | >1949 | - | SP | | |
| HABS | SPA | - | - | A | | |
| Hachette | FRA | 1852 | - | S | | |
| Haenni | SWI | 1960s | - | SP | | |
 | Hahn, Phillip Matthäus | GER | 1774 | 1776 | A | - | |
| Haiou Pai | CHN | - | - | S | | |
| Halden, Joseph | UK | - | - | S | | |
 | Hallmark | Puretec Inc., Tokyo Electric Co. | JAP | >1950 | - | E | - |
 | Hamann | DeTeWe, Hamann-Rechenmaschinen GmbH | GER | 1958 | - | M | - |
| Hamann Mathematisch-mechanisches Institut | GER | 1896 | 1916 | A | | |
| Hamann-Manus | DeTeWe | GER | 1925 | 1970 | M | |
| Hammenstede, Eduard | GER | 1882 | - | M | - | |
| Hannovera Rechenmaschinrnfabrik, Oventrop, Heutelbeck und Co. | GER | 1921 | 1956 | M | | |
| Hannyngton, John Caufield | UK | - | - | S | | |
| Hansa-Technik GmbH | GER | - | - | S | - | |
| Hanseatic | ? | >1950 | - | E | - | |
| Hardmuth | UK | ~1940 | - | S | | |
| Harmon | ? | - | 1925 | M | - | |
| Hart, William | USA | 1878 | - | M | - | |
| Hartree, Douglas / Porter, Arthur | Manchester University | UK | 1934 | - | D | |
| Hasbro | USA | - | - | A | - | |
| Hayes | ? | - | - | M | - | |
| Heath & Co. | UK | 1960s | - | SP | | |
| Hebecker & Taetzel | GER | 1954 | - | M | - | |
| Hedberg, Donald D. | USA | >1955 | - | SP | | |
| Heine & Sohn KG | GER | 1971 | - | M | | |
| Heinevetter | GER | 1975 | - | S |  | |
| Heinitz, Woldemar | GER | - | - | M | | |
| Heiwa Seimitsu Co., Ltd. | JAP | 1970s | - | E | - | |
| Helios | ? | - | - | M | - | |
| Helix | UK | ~1970 | - | S | | |
| Hellerman | DEN | - | - | S | - | |
| Hellström, J.F. | SWE | 1879 | - | A | - | |
| Hemmi Jirou & Co. | JAP | 1895 | 1973 | S | | |
| Henschel | USA | - | - | S | | |
| Hermes | Precisa AG, Hermes-Precisa | GER | 1950s | - | M, E | - |
| Hermes-Precisa International AG | GER | >1960 | 1969 | E | | |
| Herring Computing Machine | USA | 1918 | - | M | - | |
| Heureka | A.G. für Techn. Industrie | SWI | 1907 | - | M | |
| Hewig | USA | - | - | A | - | |
| Hexco Inc. | USA | <1968 | - | A | | |
| HH Universum | GER | 1930s | - | S | | |
| Hietts, De Kerniea James Thomas | USA | 1897 | 1903 | M | - | |
| Hill, Thomas | USA | 1857 | - | M | - | |
| Hiltpold, E.W. | SWI | 1940s | - | S | | |
| Hiltra | JAP | - | - | A | - | |
| Hispano-Olivetti | SPA | 1950s | - | M | - | |
| Högfors | A.B. Affärssystem | SWE | 1930 | - | M | - |
| Holland, J.S. | UK | 1835 | - | M | - | |
| Hollerith, Herman | USA | 1890 | - | E | | |
| Holman Engineering Works | UK | - | - | A | | |
| Holz, Heinrich | GER | 1930 | - | A | | |
| Hono | JAP | 1970s | - | S | | |
| Hono-Rietz | Graphoplex | ITA | - | - | S | - |
| Hope Slide Rule Mfg. Co., Ltd. | JAP | - | >1970 | S | | |
| Howitzer | USA | >1952 | - | S | | |
| Hüber, Robert | GER | - | - | ? | - | |
| Hübner, Otto | GER | - | - | M | - | |
| Huet | FRA | - | - | S | | |
| Hughes-Owens (H-O) | SUN, Hemmi | CAN | - | - | S | |
| Hüttebräuker, Gustav | Metallwarenfabrik - Stanz- und Prägewerk | GER | 1897 | - | S | |
(c) epocalc 2012