1870 Wooden Nautical Block Complete with Ring with Iron Pulley Old Marine Tool

Box of compasses wood with rosewood veneer from the second mid-19th century, complete with key. In the center of the lid a rhombus-shaped brass medallion is engraved with the name...

Brass, copper and lead graphometer complete with the original wooden box signed CAIM Genova Via S. Sabina two of the 1940s. Measures of box 28 x 29 cm H 24. CAIM Genoa was company ac...

Nautical magnetic compass, made in the USA in the 1930s. Bon état. Housed in its original box with wooden slot lid and mounted on gimbal. Box measures 12x12x8.5 cm - inches 4.8x4.8x...

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...

Nautical pulley block by Merriman of Boston. Brass badge with trident and M.B. Hardwood housing is pinned together and holds the polished brass sheave. Awesome restoration. Great Nau...

Nautical pulley block by Merriman of Boston. Meticulously polished and lacquered. Entire unit is brass. Great maritime accent piece. Awesome restoration. Weight: 3 lbs. Overall ...

An early 19th century Naval oak fiddle pulley block, with two wood sheaves. Marked with Roman Numerals: XXVIIII In sailing, a block is a single or multiple pulley. One or a number ...

Great Rustic Black Forest Wooden Pulley with Rope A great rustic Black Forest wooden pulley with rope. It comes from a Bavarian barn, ca. 1900, ol...