Seven inch course and distance calculator by Celluloid Printers Ltd

Made:
1930-1940
Seven inch course and distance calculator by Celluloid Printers

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Seven inch course and distance calculator by Celluloid Printers
Science Museum Group
© The Board of Trustees of the Science Museum

Seven inch course and distance calculator by Celluloid Printers Ltd, Mark II, serial no. 1598, 1930-40.

Details

Category:
Aeronautics
Object Number:
1997-745
Materials:
celluloid
Measurements:
overall: 0.06 x 7.0 in.; 1.524 x 177.8 mm
type:
course and distance calculator
credit:
Smith, J.M.