Early American Backstaff, Dated 1762
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American

Dated 1762
 
   

Early American Backstaff, Dated 1762
 
(Attributed to Benjamin King, Newport, Rhode Island)
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Dated 1762
 
   

An extremely rare and excellently preserved navigation instrument dated 1762, this backstaff, or Davis Quadrant, is attributed to maker Benjamin King of Newport, Rhode Island. It is impact stencil signed with his name, with an exceptional array of degree scales on each arc, including a Gunters Scale on the verso, quite rare and desirable on such a navigation instrument.

Dimensions: 25 ⅝ inches long x 15 ¼ inches high x ⅝ inch deep.