Lid for Brunsviga calculating machine made by Grimme
Lid for Brunsviga calculating machine made by Grimme, Natalis and Co., Braunschweig. Germany.
- Object Number:
- 1893-17 Pt1
- type:
- cover - closure
- Image ©
- The Board of Trustees of the Science Museum
Brunsviga calculating machine, 1892.
- manufacturer:
- Grimme Natalis and Co
This image is released under a CC BY-NC-SA 4.0
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© The Board of Trustees of the Science Museum
Brunsviga calculating machine made by Grimme, Natalis and Co., Braunschweig, Germany, c.1892., No.262, with lid.
Brunsviga calculating machine with lid, no262. c.1892. This barrel calculating machine represents the Brunsviga in its earliest form. Barrel calculating machines were smaller, lighter and easier to operate than Arithmometers. The machine performs multiplication by repeated addition and includes the wheel with a variable number of teeth as patented by Willgodt T Odhner (1845-1905) in 1891. Odhner sold the German patent to Messrs Grimme, Natalis & Co, who manufactured this example.
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Brunsviga calculating machine made by Grimme
Brunsviga calculating machine made by Grimme, Natalis and Co., Braunschweig, Germany, c.1892., No.262.
- Measurements:
-
overall: 142 mm x 346 mm x 197 mm, 7.372 kg
- Materials:
- brass (copper, zinc alloy) , steel (metal) , wood (unidentified) , paint and lead (metal)
- Object Number:
- 1893-17 Pt2
