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Bridge Frame Sextant

Catalog no. 0000169

Size10 Inches High x 10 Inches Wide x 4 Inches Deep
DateCirca 1805

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A rare and sought after design of this instrument type, the innovations of Jesse Ramsden and Edward Troughton, among others, made possible the smaller size…

About this work

A rare and sought after design of this instrument type, the innovations of Jesse Ramsden and Edward Troughton, among others, made possible the smaller size and precision reading of navigation instruments from the late 18th Century on.

This highly desirable instrument is signed on one of its dual parallel scale as titled, "Berge London, ...C late Ramsden"

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