1870s Brass Nautical Sextant Signed Combes Antique Marine Navigation Instrument

Set of genitourinary instruments of Bougies, medical instruments placed in a box made of oak, made second half of the nineteenth century. Box measures 5.5x14.1x2.4 inches. On the low...

Topographic level signed W.F Stanley of burnished brass, from the second half of the 19th century. In excellent condition and complete with original mahogany box with brass hinges an...

Log o solcometro contamiglia nautico in ottone a forma di harpoon, signed T. Walker's Patent Harpoon Ship Log A 1 London , from the second half of the 1800s. It is an ancient nautical instrument, very rare and with a characteristic shape, which measured the distance and speed of a ship. Veniva gettato fuori bordo e trascinato dietro la nave stessa; ruotando grazie alla sua elica, trasmetteva il numero di giri fatti su se stesso ai tre quadranti realizzati su una placca in metallo smaltato posta al centro del log; i quadranti riportavano le misurazioni in miglia da 0 a 100 in decine, da 0 a 10 in unità, da 0 a 1 in quarti. I dati venivano poi letti ogni ora per ricavare anche la velocità. Good condition replaced flap perfectly working and mounted on custom-made brass wood base. Measurements length cm 54 - 21.2 in, propeller diameter cm 13 - 5.1 in. The last photo is the gift box. In past centuries, the attempt to measure the speed of ships was severely hampered mainly by the 'unavailability of time-measuring instruments of sufficient accuracy: by throwing a piece of wood overboard from the bow of a ship and measuring the time it took to reach the stern, it was possible to obtain some information about the speed of the ship itself, but with many errors and inaccuracies. The principle of the mechanical solcometer was explained to the Royal Society in 1699 by Robert Hooke, but the first model produced for commercial use was not patented until 1802 by Edward Massey...

Brass sextant signed H. Hughes & Son Ltd No. 32890 of the 1930s; instrument complete with optics and housed in its original mahogany wood box of with locking hooks and brass handle,...

A pair of ship's navigational brass post lights with fresnel lens mounted on a teak base with an on/off switch on the base. Polished and rewired for American use and takes a standar...

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 rare ship's binnacle brass compass in working order housed in a teak and brass case. It includes the kerosene side light to illuminate the compass at night. By Kelvin and Hughes,...

An old school nautical instrument used on the bridge of the ship. A wooden body with wood turning knobs at the top. The Captain would chart the course and enter the coordinates in ...