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: NAV0933
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: 74 mm x 366 mm x 302 mm; Box: 363 mm x 300 mm x 74 mm
Parts: Testing telescope