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 ...
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 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 a Gun Port of a Floating Battery, Model of a part of the ship's wall with a gun gate, on a floorboard. On the outside, two heavy plates are placed on a row of wheels, over which they can slide back and forth. The plates are provided with a too...
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...