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Large marine octant signed John Uring made circa 1750

Réf : 69689

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Large marine octant signed John Uring made circa 1750

Large wooden octant of HADLEY type - with 2 inputs with sighting pinnules and 1 set of 2 movable filters - Without handle for holding the instrument which will come later. John Hadley (1682-1744) was the inventor of this type of octant with wooden limbs with "transverse" divisions. Signed by John Uring in activity between 1735 and 1771. Reference: similar to the Getty Museum - also ill. p. 112 "The Marine Antiquarian" Jean Randier and ill. p. 97 "The Instrument of Marine" Jean Randier. London c. 1750.

Period : 18th century

Antique dealer : Galerie Delalande

Galerie Delalande

CATALOGUE

Collectibles