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10 Inch Flat Sextant Nr. 1093, 1791
Jesse Ramsden, London
Maker:
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One of the very fine and accurate sextants of the famous Jesse Ramsden,
who, with an automatic engraving and dividing machine, greatly improved the accuracy of the scale.
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Important brass sextant by probably the most important sextantmaker in the 18th century, Jesse Ramsden
Signed on the arc Ramsden London and numbered behind apex’ 1093’; scale divided to 135°, adjustable telescope socket, seven shades, Index and Horizon mirrors, rosewood handle. No box
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