Plus Rapid adding machine, standard farthings model
- Made:
- 1939 in United States
- manufacturer:
- Bell Punch Company Limited
Plus Rapid adding machine, standard farthings model
Details
- Category:
- Mathematics
- Object Number:
- 1939-185
- Materials:
- ivory, steel (metal), iron and glass
- Measurements:
-
overall: 110 mm x 235 mm x 150 mm, 2.702 kg
- type:
- calculating machine
- credit:
- Bell Punch Coompany