Vintage Thomson System Azimuth Nautical Navigation Instrument Circle & Case

Lord Kelvin's Azimuth Mirror and dovetailed wooden storage carrying case. Made by Kelvin, Bottomly & Baird Ltd for Marine Instruments Ltd. Circa 1910-30s. Made in Great Britain. An...

Vintage T. Cooke of London prismatic compass. Brass case with pierced sight line in the lid, folding prism, metallic gold tone face, and short stand able to be screwed onto a tripod ...

Vintage T. Cooke of London England prismatic compass. Brass case with mirrored lid interior, folding prism, metallic brass face, and short stand able to be screwed onto a tripod for ...

Rare and genuine 19th century English Victorian brass telescope on tripod stand. Features amazing optics and a large adjustable base with spi...

Vintage full size reproduction copper and brass deep sea diver’s helmet, converted to a night light or lamp. Measures: 18".

Rare vintage 1970s Vexilar Video-Sonar Model 990X. Serial Number 90430. Manufactured by BH Electronics for Vexilar Inc. The 990 was the top model, following the 330 and 660. "Model 990 zoom video sonar presents data on a cathode ray tube with a feature that allows the operator to zero in on any target between the surface and bottom or on the bottom itself. The operator can select and expand it to any one of the zoom sizes: 7.5, 15, 45, 90, and 180, each expressed in feet, fathoms, or meters. If, for example, the 15 ft zoom size is selected the full screen will show just that 15 ft. Model 990 reads depths to 1400 ft in five ranges and draws 12 watts in continual usage on 12v to 32v DC. A freeze-action feature allows the operator to hold a particular view on the screen indefinitely and a sea bed discrimination feature distinguishes fish and schools of fish from the bottom surface, according to the manufacturer. Measuring 10" by 7" by 8", the solid state unit weighs 12 lbs and has light intensity control and a sun screen...

This is a vintage rolling rule. An English, brass scientific instrument to aid navigation, dating to the mid-20th century, circa 1950. Attractive period instrument Displays a desirable aged patina Solid brass shows mellow golden hues Used to draw parallel lines on navigation charts Replete with the Ministry of Defense arrow mark and 160100 patent number Oak faced box...

A pair of Masthead brass ship's navigational lights with Fresnel lens. These are originally oil lights which slide out from the back. They also have been converted to take an electrical bulb from above. Both are an option. We have also added a bracket in order to wall mount them. The Lockhart Collection is a personally curated gallery...

This is a vintage Fuller's Calculator. An English, Bakelite and walnut cased scientific instrument by Stanley of London, dating to the mid 20th century, circa 1950. Quality mathemat...

Brass and aluminum aeronautical compass complete with azimuth circle, supplied to U.s: Army Air Force aircraft during the world War II. Good condition and functioning. Compass diame...

Nautical rangefinder signed Made in Great Britan by Kelvin Hughes a divison of Smiths Industries Limited made in the 1960s, complete with original mahogany box. AP 498 Stuats Marine Distance Meter very good working condition. Box size cm 21 x 13 H 6. It is an ancient nautical instrument used to measure...

Made in Europe in the 20th Century, this vintage wooden case would have originally been used to hold a musical instrument—the distinctive shape sug...