Otis King's Pocket Calculator
physical object
Identifier
2024.10.20
Description
The cylindrical slide rule has a No. 429 and 430 scale. The pocket calculator was manufactured and sold by Carbic Ltd. in London from 1922 to 1972, in its final year it competed with the programmable calculators.
Related Term
Pocket Calculators (describes)
External links
Otis King
