Item SUR4 - Keuffel & Esser Stadimeter. 

The Fisk Stadimeter, patented by Bradley Fisk in the late 1890s is a hand held range finder, designed to be used at sea for a number of range finding functions.  Originally designed to determine ranges for gunnery uses, this stadimeter became standard gear in the U.S. Navy during both WWI and WWII.  Its gunnery functions paled compared to its use in positioning ships in convoys, determining exact distances between a ship and its mooring or rendezvousing object, or allowing a ship to circle an object of interest at a constant radius.  The stadimeter works by using the known height of a specific ship (waterline to masthead), and using that distance to determine optically the distance from that object.  A number of companies were contracted to produced Stadimeters, including Western Electric, Shick, and Keuffel & Esser.  The K&E stadimeter was never listed in the company’s catalog, but a number of them were apparently produced.  This example carries the serial number, 37873, which translates to an instrument produced in 1918.  It is housed in its original fitted wooden box (with fancy hinge clips) with directions for adjustments and use inside the lid of the box.  The box also contains what appears to be the original screw driver supplied with the Stadimeter.  This instrument has had the original battery (housed in the handle), and bulb supplied with it, removed to prevent corrosion, but the battery and lamp numbers are included so that these can be replaced.  A similar K&E stadimeter exists in the collection of the Hoboken Historical Museum, and a complete description, illustrations, and in the same condition as this one.  It can be seen here.  Fine







Price -  $320.00

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