"Davis Quadrant" or "Back-staff" - Lot 40

Lot n° 40
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Estimation :
3500 - 5000 EUR
Result with fees
Result : 4 940EUR
"Davis Quadrant" or "Back-staff" - Lot 40
"Davis Quadrant" or "Back-staff" 17th-century nautical instrument with an ebony frame inlaid with diamond-shaped bone plaquettes and two graduated arches made of boxwood. A precursor to the sextant, this maritime navigation tool was developed by Captain Davis in the late 16th century. H_ 63.5 cm Minor damage, including the loss of the maker’s plate.
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