Very fine and complete Brittish yacht sextant of black painted brass. In mahony case with dovetailes, lock and little key, baized-covered lid and bottom, carrying handle of brass. With silvered scale, graduated from -5 to 150 degrees, set in a brass arc. Catalog: NM.1-12 Date: 1900-1920 HWL case: 12,8×25,5×23 cm (5x10x9,1 in) HW sextant: 21,5×23…

Nice quality single draw telescope with two bras tubes and good optics. Eye lens with a protective shutter. The mainbody is clad with waxed rope and in good condition. The eye lens has a sliding lens protector. The objective lens with a diameter of 55 mm (2,2”). The waxed rope barrel has taken on a…

A very fine two day marine chronometer made by Wilhelm Emmeche, Copenhagen, Denmark. In three-tier mahony case and a lift up glass cover. On the front an ivory nameplate and an ivory plate with No 4. No 4 is also on the dial. Hand-wound movement with power reserve of 56 hours. The movement is engraved,…

Well preserved middle sized, dry card and semi gimbaled compass in painted wooden case with slit cover. On the rose with 32 points, the name of the maker. North with beautiful fleur de lis. The binnacle is made of red copper and brass. The inside of the binnacle is painted white with a lubber’s line.…

Very fine and complete quartant of black painted brass. Well maintained case and instrument with key for adjusting the horizon mirror and binoculars. In mahony case with dovetailes, lock and little key, brass carrying handle an so on. Silvered scale, graduated from -5 to 185 degrees, set in a brass arc. In the brass part…

Well preserved dry card and gimbaled compass in wooden case of oak with slit cover. On the rose with 32 points, the name of the maker. North with beautiful fleur de lis as well as the east point which indicatest the direction of Jerusalem. The inside of the binnacle is painted white with lubber’s line.…

A large and very fine nautical telescope with one draw tube. Manufactured in brass with a dark brown leather clad main body and two lenscovers of brown leather. No dings or dents. Clearly signed in the draw tube. Eye lens with a protective shutter. Some signs of age and use, but with a beautiful patin,…

An interesting three mirror octant with Vernier nonius, made by or for Robert Williamson in 1768. The first octant was created by Hadley in 1731. In Great-Britain and North-America the instrument was called the Hadley’s quadrant to distinguish it from the Davis quadrant. Hadley got in 1734 a patent for eleven years. Immediately after it…

From the 17th century onwards people had made many attempts to devise a mechanical log which would automatically record the ships distance done. Edward Massey invented a mechanical log in 1802 with four blades which was used by the Admiralty from 1807-1815.