The "Lee" Sheet Steel Weight Calculator
- Made:
- 1960-1965 in United Kingdom
The "Lee" sheet steel weight calculator with instruction sheet and plastic case.
Details
- Category:
- Mathematics
- Object Number:
- Y1986.151.3
- Materials:
- plastic (unidentified) and metal (unknown)
- Measurements:
-
object and pouch: 10 mm x 211 mm x 210 mm,
- type:
- slide rule
- credit:
- Gift of Ethel Strawbridge