Model of an Artillery Crane on Tracks, anonymous, c. 1800 - c. 1857 demonstration model Model of a heavy crane on eight wheels, a sled and a loading platform that run in tracks, and a cart. The hoist has two winches, with cracks on either side; By moving the drums with gears, the winches can be combined, but the mechanism is now defective. The arm of the tap revolves around his axis; The rope runs over a disc through the king to the back, between two vertical rollers and over a disc back to the front and over a disc at the end of the arm. A ring and double hook are attached to the end. There a

Model of an Artillery Crane on Tracks, anonymous, c. 1800 - c. 1857 demonstration model Model of a heavy crane on eight wheels, a sled and a loading platform that run in tracks, and a cart. The hoist has two winches, with cracks on either side; By moving the drums with gears, the winches can be combined, but the mechanism is now defective. The arm of the tap revolves around his axis; The rope runs over a disc through the king to the back, between two vertical rollers and over a disc back to the front and over a disc at the end of the arm. A ring and double hook are attached to the end. There are three tracks, one of which is a turntable with ball bearing. One sledge is a window with eight wheels such as the tap; The other is a loading platform with traces, which must be placed upside down on the other tracks with bullets in the tracks, which function as ball bearings. The tracks and the loading platform have rings on the sides for dragging and fixing with rope. One track can be attached to the cart, which has a winch at the front with which tap, sledge or loading platform can be pulled on the cart; The top of the cart is a continuation of the tracks. The cart has two small wheels in the front, which can turn, and two large wheels behind. Netherlands (possibly) wood (plant material). iron (metal). brass (alloy). rope

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