Vintage Stuart’s Marine Distance Meter 523-6994 Made in England
 Navigational instrument that Calculates Distance at Sea. Optical range-finder, split-image type device for calculating the distance of nearby ships, as used in WW2 convoy situations etc. Plated brass construction, as far as I can tell in working order, focus control operates smoothly. The distance meter has a white metal scope. The top scale is marked ‘CABLES’ and has a scale from 1 to 30. The meter works on the double image principle. To use it, the observer sets the height scale to the known height of the ship being observed, then looks though the eyepiece and turns the knob on the front until the two images seen through the eyepiece coincide. The distance of the ship from the observer is then indicated on the scale marked ‘CABLES’. Measurements In good condition. In Original Mahogany Fitted Case 8" x 5" x 2" overall Some marks commensurate with age and use. Please see all photos as these form part of the description

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This exceptional item will make a great display piece for nautical decor.

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