Unique Electrical Slide Rule
- Made:
- 1935-1950 in United Kingdom
A Unique electrical slide rule, with case.
Details
- Category:
- Mathematics
- Object Number:
- Y1990.245.1
- Materials:
- wood (unidentified), plastic (unidentified), metal (unknown), cardboard and leather
- Measurements:
-
rule: 11 mm x 300 mm x 47 mm,
box: 21 mm x 313 mm x 51 mm,
- type:
- slide rule
- credit:
- Gift of Mrs. J. Robinson
