Sextant - ROM2006_6306_1

ROM2006_6306_1

Sextant

Maker: Probably made by Spencer, Browning & Rust (London, 1783-1840)
Medium:Ebony, brass and ivory
Geography: London, England
Date: c. 1800-1820
Dimensions:
29.3 (height) x 26.4 (width) x 8.3 (depth) cm
Object number: 958.11.2
Credit Line: Gift of the Sigmund Samuel Endowment Fund
On view
Gallery Location:Sigmund Samuel Gallery of Canada
DescriptionThe sextant was developed in the 1750s by Captain John Campbell of the Royal Navy, together with John Bird, a London instrument maker. It worked on the same principle as the octant, except that it was capable of measuring angles up to 120 degrees, as opposed to 90 degrees. It could also be used to find longitude by measuring the angular distance between the moon and a nearby star.
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