Circular Calculator

Circular Calculator

Circular Calculator
Science Museum Group
© The Board of Trustees of the Science Musuem

Scientific Publishing Company circular calculator.

Details

Category:
Mathematics
Object Number:
Y2004.15
Materials:
glass and steel (metal)
Measurements:
overall: 12 mm x 65 mm x 85 mm,
type:
slide rule
credit:
Gift of John Martin Buxton