Distance meter
Distance meter
Scale: Graduated from 1-10 cables for distance, and from 10-150 feet for height. Scale is a sliding fit to allow adjustment for height, and is protected by hinged glass panel.
Optics: Doubles-image principale, focussed by milled knob at front end of instrument.
N.B This instrument is a prototype, and has the handle fitted on the left-hand side. Later models were designed for right-hand us (See Dept.file.)- Technical (Distance Matere).
Scale: Graduated from 1-10 cables for distance, and from 10-150 feet for height. Scale is a sliding fit to allow adjustment for height, and is protected by hinged glass panel.
Optics: Doubles-image principale, focussed by milled knob at front end of instrument.
N.B This instrument is a prototype, and has the handle fitted on the left-hand side. Later models were designed for right-hand us (See Dept.file.)- Technical (Distance Matere).
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Object Details
ID: | NAV1086 |
---|---|
Type: | Distance meter |
Display location: | Not on display |
Creator: | Henry Hughes & Son Limited |
Date made: | 1941 |
Credit: | National Maritime Museum, Greenwich, London |
Measurements: | Overall: 87 mm x 148 mm x 85 mm |