Model M Brunsviga calculating machine
- Made:
- 1908-1912 in Braunschweig
- maker:
- Grimme Natalis and Co
Model M Brunsviga calculating machine, c. 1910, sectioned (cover plates missing) with separate wheels mounted in plastic to show workings.
Model M Brunsviga calculating machine, c. 1910, sectioned (cover plates missing) with separate wheels mounted in plastic to show workings.
