The "Small" Pocket Calculator
The "Small" Pocket Calculator, a circular slide rule patented 1918, made by G. Small, Boston.
- Object Number:
- 1989-540/1
- type:
- circular slide rule
- Image ©
- The Board of Trustees of the Science Museum
The "Small" Pocket Calculator
- Made:
- Boston
The "Small" Pocket Calculator, a circular slide rule patented 1918, made by G. Small, Boston, in leather pouch
Details
Parts
