Testing telescope

This testing instrument comprises a binocular sight that mounts onto a triangular base plate. Each tube of the binocular sight has a cross hair and gives an inverted image. It is contained in a wooden box.

Object Details

ID: NAV0932
Collection: Astronomical and navigational instruments
Type: Testing telescope
Display location: Not on display
Creator: W. Ottway & Co. Ltd
Date made: 20th century
Credit: National Maritime Museum, Greenwich, London
Measurements: Overall: 62 mm x 277 mm x 265 mm
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