Marchant electric "figurematic" calculating machine (643325)
Details
- Category:
- Mathematics
- Object Number:
- 1974-510
- Materials:
- plastic (unidentified), metal (unknown), paper (fibre product) and electrical components
- Measurements:
-
overall: 235 mm x 425 mm x 380 mm,
- credit:
- Prudential Assurance Company
