alb4059439

An octant. The octant, also called reflecting quadrant, is a measuring instrument used primarily in navigation. . A Description of a New Instrument for taking the Latitude or other Altitudes at Sea [invented by John Hadley]. With directions for its use. [By George Hadley. With a folding plate.]. London : Printed for the Author, 1734. Source: 538.i.30.(7) plate after page 30.

An octant.  The octant, also called reflecting quadrant, is a measuring instrument used primarily in navigation.  .  A Description of a New Instrument for taking the Latitude or other Altitudes at Sea [invented by John Hadley]. With directions for its use. [By George Hadley. With a folding plate.]. London : Printed for the Author, 1734. Source: 538.i.30.(7) plate after page 30.
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An octant. The octant, also called reflecting quadrant, is a measuring instrument used primarily in navigation. . A Description of a New Instrument for taking the Latitude or other Altitudes at Sea [invented by John Hadley]. With directions for its use. [By George Hadley. With a folding plate.]. London : Printed for the Author, 1734. Source: 538.i.30.(7) plate after page 30.
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Album / British Library
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Modèle: Non - Propriété: Non
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Taille de l'image:
4680 x 3974 px | 53.2 MB
Taille d'impression:
39.6 x 33.6 cm | 15.6 x 13.2 in (300 dpi)
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