Vanes for Back Staff or Davis Quadrant

Description

One or more vanes of most back staffs have disappeared. These four vanes are an opportunity to complete a back staff. They are new made by hand from hundred year old pear wood. It are exact copies of the vanes of the John Dupee Back Staff of 1764 of the Kelton Collection. Also the lens in the shadow vane is special made with the required power of 4 dioptres and a focal length of 20 centimeters.
The vanes are delivered on order. They are adapted in color and thickness of the scales to the back staff for which they are intended.
Catalog: NM.5-06
Archipel International Maritime Gallery – see site
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