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Description: | Brunsviga twin calculating machine, model D13Z, (13 register) by Grimme, Natalis and Company, on wooden base with metal cover, Serial No.208021. Consisting of a pair of 10 digit calculators coupled together. Presnted to the National Institute of Oceanography by Dr J.N.Carruthers. | License: | http://creativecommons.org/licenses/by-nc-sa/2.5/ | Subjects: | calculating machine (pinwheel) | Temporal: | 1935-1939 | Source: | Science Museum | Creator: | Grimme, Natalis and Company | Identifier: | 1985-1911 | Go to resource |
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