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).

Gregorian reflecting telescope Science Museum Group Collection

Troughton & Simms Double Frame Pilar Sextant

Sextant by Jesse Ramsden with case

Sextant by Jesse Ramsden with case

Sextant Royal Museums Greenwich

Sextant Framed Art Prints for Sale - Fine Art America

Sextant Framed Art Prints for Sale - Fine Art America

Brass framed sextant. Science Museum Group Collection

Spencer Browning & Rust Double Frame Brass Sextant/QuintantEarly to Mid 19th Century

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

camping-and-hiking-equipment This Sextant Is Made With 100% Premium Quality Of Brass. Sextant Measures 9 X 9 X 4.5(INCHES). Wooden Box Measures

Malla Sextant Instrument 9 Brass Sextant with Box | Navigational Sextant | Sextant Working | Vintage Astrolabe Brass Functional Sextant | Gift

Antique Brass Sextant This elegantly antique solid brass sextant makes a distinctive gift. A great replica from the 18th century, it makes a great

Antique Brass Nautical Sextant Maritime Astrolabe Marine for Office & Gifitng Item Rustic Vintage Home Decor Gifts

Antique Scientific Instrument Collection of Mark McElyea

National Museum of American History

Nautical Sextant Working Instrument Astrolabe Ships Maritime Solid Brass 4 Gift