Mechanical Calculator
- maker:
- Grimme Natalis and Co
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Science Museum Group
© The Board of Trustees of the Science Museum
Brunsviga 20 key set calculator by Grimme Natalis & Co.
Details
- Category:
- Computing & Data Processing
- Object Number:
- Y1987.143
- Materials:
- metal (unknown)
- Measurements:
-
overall: 170 mm x 410 mm x 230 mm,
- type:
- calculator
- credit:
- Gift of Derek Shepherd
