Hoare's universal calculator or improved double slide rule in boxwood
- designer:
- Charles Hoare
Hoare's universal calculator or improved double slide rule in boxwood, 32" long by 1 7/8" wide, with two sliders
Details
- Category:
- Mathematics
- Object Number:
- 1947-163
- type:
- slide rule (hoare)
- credit:
- Mr J.H. Pledge