EditorialJanet Jacksons school report, personal drawings and childhood toys feature in 1,000-item mega auction celebrating the singers four-decade-long music career
EditorialModel of the ferry steamer Wilhelmina, Model of a Ferry Steamer, Truss model of a paddle steamer, very detailed and shot inside. Long flat-bottomed vessel, widened in its sides to the width of the gear boxes. Two levels: lower deck and upper deck with ...
EditorialModel of a Disengaging Gear for Paddle Wheels, Model of the disengagement of the crankshaft of a paddle wheel, on a floorboard. The pin of the crank falls into a hollow bush in the eye of the crank of the wheel shaft, which can be unscrewed and removed...
EditorialModel of the Paddle Gear of the Lock at Flushing, Model of a winch for operating the sluices of lock gates, on a floorboard. The winch stands on four legs. With a crank on either side, a gear is driven inside, so that a rack with round pins is moved up...
EditorialNegative - De Havilland DH-88 Comet Aeroplane, G-ACSR 'Grosvenor House', Yarra Wharves, West Melbourne, Victoria, 1935, 'Grosvenor House', the de Havilland DH 88 Comet aircraft which won the MacRobertson Centennial Air Race, at Victoria Docks awaiting ...
EditorialDischarge by means of a push rod pump_13, An impeller drives a gear., This moves another wheel on which a chain with larger metal bodies lies., The chain links thus convey water from the mine via a borehole, drainage, woodcut, p. 155, (Liber sextus), M...
EditorialBewetterung_6, A wind turbine drives a gear that moves a disk wheel with air holes., Thus fresh air enters the pit, woodcut, p. 164, (Liber sextus), Manuel, Hans Rudolf (graveur sur bois), 1556, Georgius Agricola: De re metallica libri XII: quibus offi...
EditorialDewatering using a go?pel, A goiter moves a gear and this a smaller wheel on which a chain with larger metal bodies lies., This in turn conveys water from the mine via a borehole, drainage, woodcut, p. 152, (Liber sextus), Manuel, Hans Rudolf (graveur ...
EditorialDischarge by means of a push rod pump12, A gear is driven by hand using a coiler., This moves another wheel on which a chain with larger metal bodies lies., The chain links thus convey water from the mine via a borehole, drainage, woodcut, p. 154, (Lib...
Editorialdewatering, A gear is driven by a coiler or an impeller., This moves another wheel on which a chain with larger metal bodies lies., The chain links thus conveyed water from the mine via a borehole, drainage, pp. 160-161, (The Sixth Book), Manuel, Hand ...
EditorialModel of a Windlass, Model of a roasting spindle on a floorboard. The drum, suspended between two cheeks, has no holes for wind booms: the roasting spindle is operated with a single wind boom on the starboard cheek, which engages a gear wheel with a pa...
EditorialModel of a Disengaging Gear for Paddle Wheels, Model of the disengagement of the crankshaft of a paddle wheel, on a floorboard. Crankshaft and wheelshaft are connected by a connecting piece, a so-called tug or turntable, which allows some impurity in t...
EditorialModel of a Disengaging Gear for Paddle Wheels, Model of the disengagement of the crankshaft of a paddle wheel, on a floorboard. The pin of the crank falls into a slot of a head on the crank of the wheel shaft which, when turned to the correct position,...
EditorialModel of a Cart for Rope Making, A cart for rope-making, consisting of a brass frame on wheels, equipped with a wheel. The large wheel of the gear is arranged in the longitudinal direction and has a large number of holes for supports arranged in concen...
EditorialModel of a Disengaging Gear for Paddle Wheels, Model of the disengagement of the crankshaft of a paddle wheel, on a floorboard. Crankshaft and wheelshaft are connected by a connecting piece, a so-called tug or turntable, which allows some impurity in t...
EditorialModel of a Fire Hearth for Steam Engines, Model of a device for the mechanical firing of a boiler, a bucket with movable bottom, operated by a handle with a pawl on a gear wheel, is filled with coal through a small door, the bottom is jacked up and the...
EditorialModel of Steering Gear, Model of a steering gear with wheels on a floorboard. The model shows a square stirring head to which a toothed quadrant is attached, with a gear on a shaft, the movement of the steering wheel is transferred to the quadrant. The...
EditorialModel of Steering Gear, Block model of a stern with twisted mirror, hollow wulf and small closed gate. The control device is built into a semicircular cupboard against the fence. The rudder has a round curved rudder king, with a toothed quadrant. The a...
EditorialModel of a Disengaging Gear for Paddle Wheels, Model of the release of the crankshaft of a paddle wheel, on a ground board Crankshaft and wheelshaft are connected by a connecting piece, a so-called tug or turntable, which allows some impurity in the al...
EditorialModel of a Dredger, Model of a chain dredger with a rock mill located on the front deck. The covered roller mill drives the chain via a gear with a long transmission shaft that runs below deck from the roller mill to the rear gear of the chain. The dep...
EditorialModel of a dredger, Model of a Dredger, Model of a roofed chain dredger with rosmolen situated on the aft deck. The chain is driven with a gear that also drives a winch below deck for the anchor rope for the propulsion of the vessel. The depth of the b...
EditorialModel of a Disengaging Gear for Paddle Wheels, Model of the disengagement of the crankshaft of a paddle wheel, on a floorboard. The crank pin fits into a slot in the crank where it is held between two clamp pieces. These can be removed, as a result of ...
EditorialModel of a Furnace for a Steam Engine, Model of a device for mechanically firing a boiler, a container with a movable bottom, operated by a handle with a catch on a gear wheel, is filled with coal through a small door, the bottom is jacked up and the c...
EditorialModel of Steering Gear, Truss model of the port half of a stern above the water line, which demonstrates the steering. The stern has an elliptical fence and three decks, all marked with their web, the upper deck is open. It has a large cross-shaped scr...
EditorialModel of an Apparatus for Testing the Strength of Rope, Model of a device to test the strength of rope, incomplete: the floorboard and various parts are missing. It consists of a frame with a wheel on one side (ratio 12.25 / 1) with a screw end, on the...
EditorialModel of Steering Gear, Technical model of a stern with twisted mirror and hollow wulf and two decks, the model is balanced with a lead weight. Straight rudder with a toothed quadrant mounted on the square rudder head at the rear. The steering wheel ha...
EditorialModel of Steering Gear, Table model that shows part of a deck with steering gear, incomplete. The square rudder head has a control quadrant, the teeth of which engage in an endless screw, with gear wheels the movement of the steering wheel is transferr...
EditorialModel of Steering Gear, Technical model with a rough representation of a stern with wrinkled mirror and hollow wulf and two decks. Straight rudder with a toothed quadrant mounted on the square rudder head. The steering wheel is mounted horizontally, a ...
EditorialModel of a Cart for Rope Making, Model of a cart for the rope-making, consisting of a wooden frame on wheels, equipped with a wheel. The large, double wheel of the gear is arranged in the longitudinal direction and has a large number of holes for suppo...
EditorialModel of a Disengaging Gear for Paddle Wheels, Model of the disengagement of the crankshaft of a paddle wheel, on a floorboard. The pin of the crank falls into a hollow bush in the eye of the crank of the wheel shaft, which can be unscrewed and removed...
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