BOAC Bristol Britannia Painted Model by Walker's Westway Models, circa 1957

Unusual large scale model of a late Victorian crane, circa 1880. Beautifully constructed in mahogany with brass binding and details and the original working metal winch and chains, a...

Exceptionally rare hallmarked silver Boeing 757–200 jet aircraft model; London 1984. With makers mark for Garrard and Co., who at the time, were the Crown...

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...

ABOUT A mid-century proof of concept model of a hover vehicle or Flying Jeeps or Jumping Jeeps, presented by the British Aircraft Corporation to the British Ministry of Defense, tit...