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The trolleys commonly have two parallel wheels on a hand truck style frame (with a handle and stand), but some designs have four or six wheels. In some countries the trolleys are traditionally regarded as being used by pensioner -age women, [ 5 ] [ 6 ] with granny cart being an American slang term for the four-wheeled wire-framed trolleys, [ 7 ...
A dock shunter, "dock tank", or "docksider", is a locomotive (formerly steam but now usually diesel) used for shunting wagons in the vicinity of docks. It is usually of 0-4-0 or 0-6-0 wheel arrangement and has a short wheelbase and large buffers. These features make it suitable for negotiating sharp curves.
Try Drew Barrymore's new line of five-minute frozen meals at Walmart for quick and easy cooking. Kristine Solomon. September 30, 2024 at 12:04 PM.
Sperry or Sperry Top-Sider is an American brand of boat shoe designed in 1935 by Paul A. Sperry.Sperrys, or Top-Siders, were the first boat shoes introduced into the boating and footwear markets.
They were assigned to the Baltimore, Maryland "Pratt Street Line" along the Inner Harbor, and to the Philadelphia, Pennsylvania waterfront trackage. Initially constructed as saddle tank engines, nos. 96 and 99 were given tenders in later years. After the saddle tank was removed in 1926 they were then given the classification of "C-16A" (Nos. 97 ...
Modern boat shoes were invented in 1935 by American Paul A. Sperry of New Haven, Connecticut after noticing his dog's ability to run easily over ice without slipping. [2] ...
A water wheel in Erlangen, Germany The reversible water wheel powering a mine hoist in De re metallica (Georgius Agricola, 1566) The sound of the Otley waterwheel, at Manchester Museum of Science and Industry. A water wheel is a machine for converting the kinetic energy of flowing or falling water into useful forms of power, often in a watermill.
Traditional undershot waterwheels consisted of a series of flat blades fixed to the rim of a wheel. The blades were typically radial, i.e. mounted so that they pointed straight out along the radius of the wheel. When water from the headrace flowed past the wheel, it hit the blades, and some of its kinetic energy was converted into work by the ...