Otis King pocket calculator (a spiral logarithmic slide rule)

Made:
London

Otis King pocket calculator (a spiral logarithmic slide rule), Model K, in box with instructions

Details

Category:
Mathematics
Object Number:
1985-271
Materials:
steel, paper and card
type:
spiral slide rule
credit:
Crosby, R.C.

Parts

Case for Otis King pocket calculator

Case for Otis King pocket calculator

Cardboard case for Model K Otis King pocket calculator (a spiral logarithmic slide rule).

Measurements:
overall: 38 x 170 x 40 mm
Materials:
cardboard , paper and complete
Object Number:
1985-271 Pt1
type:
case
Image ©
The Board of Trustees of the Science Museum

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