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).

Brass pillar-frame sextant. Science Museum Group Collection

R & J. Beck Binocular Compound Microscope, Antiques, Objects, dimanoinmano. It

Double Frame Bridge Sextant

MALL INC. Sextant, Brass Hand-Made 9 Sextant, Nautical Working Sextant, Marine NAVIGATIONAL Ship Instrument

Double Frame Bridge Sextant

Double Frame Bridge Sextant

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GA026 - Tempus Fugit: The Collection of George Gyori

The History of the Sextant

Brass framed sextant. Science Museum Group Collection

3 Sextant, PDF, Equipment

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

Brass framed sextant. Science Museum Group Collection

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Brass Sextant

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Lot 103 - A J Coombes Brass Sextant With Provenance