Brass double-frame sextant. Science Museum Group Collection

Anodized brass sextant, double-frame bridge (straight-bar) type, with polished brass limb and wooden handle, by W Harris and Company, 50 Holborn London, England, 1830-1839. Consists of inlaid 120° silver scale (-5° to 149°) with 10' divisions, gold vernier scale (20") two sets of filter shades (3 & 2, red & green) and reading magnifier on a on a worm screw. Fitted with threaded telescope bracket with collimation correction for two telescopes, 83mm (erect image).

Man relies on a sextant to navigate which is accurate whether the Earth is round or flat like a rectangle. Am I correct? - Quora

The Collection of Jean and Jim Barrow by Brunk Auctions - Issuu

Double sounding sextant. Science Museum Group Collection

Double Frame Bridge Sextant

PRODUCT FEATURE: This absolutely beautiful and functional brass sextant with a antique Brass finish. This Brass Sextant is made from premium quality

Sailor's Art Antique Brass Nautical Sextant Wooden Box-Navigation Instruments Nautical Sextant -C-1679 J. Scott London Brass Sextant 5 for Mariners

This sextant is made using solid brass and coated with an antique finish. So that it gives your desk/table antique vibes. It comes with two measuring

Pocket Brass Sextant Nautical Navy Sailors Celestial Navigation with Movable Telescope Latitude & Longitude Sextant Graduation Birthday Gifting

Sextant Framed Art Prints for Sale - Fine Art America

Evolution of the Sextant Frame

Sextant Collection of Licensed Images, Artwork and Photos #2

Sextant Framed Art Prints for Sale - Fine Art America

The Nautical Sextant - W. J. Morris, PDF

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Sextant (instrument) hi-res stock photography and images - Alamy

Ebony and brass quintant. Science Museum Group Collection