Case for Mannheim slide rule
Case for Mannheim slide rule, 20 1/2", by Keuffel and Esser Co
Mannheim slide rule, 20 1/2", by Keuffel and Esser, with case
- Made:
- New York
Mannheim slide rule, 20 1/2", by Keuffel and Esser Co., in dilapidated case
Details
- Category:
- Mathematics
- Object Number:
- 1974-267
- type:
- slide rule (mannheim)
- credit:
- Miss I. Rayner-Smith
Parts
Mannheim slide rule, 20 1/2", Keuffel and Esser
Mannheim slide rule, 20 1/2", by Keuffel and Esser Company.
- Measurements:
-
overall: 15 mm x 520 mm x 37 mm, 0.136 kg
- Materials:
- box (wood) , ivory , brass (copper, zinc alloy) , metal (unknown) , glass and paper (fibre product)
- Object Number:
- 1974-267 Pt2
- type:
- slide rule (mannheim)
