Rotch true-wind calculator, for use at sea

Made:
1903 in London
maker:
C F Casella & Company
Rotch true-wind calculator, by C. F

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Rotch true-wind calculator, by C. F
Science Museum Group
© The Board of Trustees of the Science Museum

Rotch true-wind calculator, by C. F. Casella, 1903, for use at sea.

Details

Category:
Meteorology
Object Number:
1921-312
Materials:
boxwood, brass and wood
Measurements:
Dimensions entered
type:
calculator
credit:
C F Casella & Company