Mark II Cotton-Type Range Finder

Made:
1960-1965 in London
maker:
E. R. Watts & Son
Mark II Cotton-Type Range Finder

Mark II Cotton-Type Range Finder
Science Museum Group
© The Board of Trustees of the Science Musuem

Cotton-type range finder mark II by E.R. Watts & Son.

Details

Category:
Scientific Instruments & Research
Object Number:
Y1987.340.1
Materials:
brass (copper, zinc alloy), glass, metal (unknown), paper (fibre product) and wood (unidentified)
Measurements:
Instrument: 264 mm x 70 mm,
case: 63 mm x 285 mm x 87 mm,
type:
naval instrument
credit:
Gift of Mrs. H. Hargreaves