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Mary Beatrice Davidson Kenner (May 17, 1912 – January 13, 2006) was an American inventor most noted for her development of the adjustable sanitary belt. [1] Kenner received five patents, which includes a carrier attachment for invalid walker and bathroom tissue dispenser.
A crewman on board a World War 2 Royal Air Force Vickers Wellington bomber. The container to the right of him is the aircraft's "Elsan" chemical toilet (1939–1941) Early aircraft fitted with a toilet include the 1919 Handley Page Type W, the 1921 DH.29 Doncaster and the 1921 Caproni Ca.60. [1]
A Med-E-Jet vaccination gun from 1980. A jet injector, also known as a jet gun injector, air gun, or pneumatic injector, is a medical instrument that uses a high-pressure jet of liquid medication to penetrate the skin and deliver medication under the skin without a needle. Jet injectors can be single-dose or multi-dose.
This air gun was to fill the gap between the "BB" gun and the .22 caliber. A successful prototype was produced mid-1944 and in 1945, in partnership with I.R. "Bob" Kraus, Sheridan Products Inc. was born in Racine, Wisconsin . [ 1 ]
The air reservoir was in the club-shaped stock. With a full air reservoir, the Girardoni air rifle had the capacity to shoot 30 shots at useful pressure. These balls were effective to approximately 125 yd (114 m) on a full air reservoir. The power declined as the air reservoir was emptied. [12]
A toilet-roll holder, also known as a toilet paper dispenser, is an item that holds a roll of toilet paper. Common models include a hinged length of wire mounted horizontally on a wall, a thicker axle either recessed into a wall or mounted on a frame, or a freestanding vertical pole on a base.
A honeywagon is a portable toilet unit used in the film and television industry. Many take the form of a specialized semi-trailer. [citation needed] In the UK a honeywagon usually refers to a set of toilets used by the cast and crew. These come in all shapes and sizes - either trailer-base or built into the box body of a truck.
9. air liquid mixture 10. pump outlet L: liquid, usually wastewater LL: liquid level V: Vessel G: Gravel or solids. An airlift pump is a pump that has low suction and moderate discharge of liquid and entrained solids. The pump injects compressed air at the bottom of the discharge pipe which is immersed in the liquid.