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A Battery: Eveready 742: 1.5 V: Metal tabs H: 101.6 L: 63.5 W: 63.5 Used to provide power to the filament of a vacuum tube. B Battery: Eveready 762-S: 45 V: Threaded posts H: 146 L: 104.8 W: 63.5 Used to supply plate voltage in vintage vacuum tube equipment. Origin of the term B+ for plate voltage power supplies.
Snapper, Inc. is an American company, formerly based in McDonough, Georgia, that manufactures residential and professional lawn-care and snow-removal equipment.Snapper is known for their high-quality products, including rear-engine riding lawnmowers capable of standing on end for storage or repair, and for their invention of the first self-propelled rotary lawn mower.
An American rotary lawnmower mechanic (b. 1927) when queried as to the first rotary mower he knew of - produced a picture of a machine mass produced around 1939 which originally used a Ford Model A or B electric starter motor turned vertically with a steel disc attached to the output shaft having common sickle bar trapezoidal blades riveted upon it.
Many people experimented with rotary blade mowers in the late 1920s and early 1930s, and Power Specialties Ltd. introduced a gasoline-powered rotary mower. Kut Kwick replaced the saw blade of the "Pulp Saw" with a double-edged blade and a cutter deck, converting the "Pulp Saw" into the first ever out-front rotary mower. [10]
Hayter is a British high-end manufacturer and distributor of garden machinery, specialising in industrial and domestic lawn mowers. The company's headquarters are located in Spellbrook, Hertfordshire, where it was founded in 1946 by Douglas Hayter, a pioneer of the rotary mower. [3] The company was awarded a Royal Warrant in 1960.
A PTO at the rear end of a farm tractor A PTO (in the box at the bottom) in the center of the three-point hitch of a tractor. A power take-off or power takeoff (PTO) is one of several methods for taking power from a power source, such as a running engine, and transmitting it to an application such as an attached implement or separate machine.