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The Western Electric model 500 telephone series was the standard domestic desk telephone set issued by the Bell System in North America from 1950 through the 1984 Bell System divestiture. The successor to the model 302 telephone , the model 500's modular construction compared to previous types simplified manufacture and repair and facilitated a ...
Shop-Vac, also known as Shop-Vac Corporation, is an American wet/dry vacuum manufacturer headquartered in Williamsport, Pennsylvania. Currently, Shop-Vac is owned by Hangzhou GreatStar Industrial and shares a facility with SK Hand Tools .
The most widely used form is the interrupter bell, which is a mechanical bell that produces a continuous sound when current is applied. See animation, above. The bell or gong (B), which is often in the shape of a cup or half-sphere, is struck by a spring-loaded arm (A) with a metal ball on the end called a clapper, actuated by an electromagnet ...
Western Electric Co., Inc. was an American electrical engineering and manufacturing company that operated from 1869 to 1996. A subsidiary of the AT&T Corporation for most of its lifespan, Western Electric was the primary manufacturer, supplier, and purchasing agent for all telephone equipment for the Bell System from 1881 until 1984, when the Bell System was dismantled.
Model 500 may refer to: A pseudonym used by techno music producer Juan Atkins; Smith & Wesson Model 500, a revolver; Model 500 telephone, a model manufactured by ...
This is a list of vacuum cleaners and robot vacuum cleaner manufacturers. A vacuum cleaner is a device that uses an air pump to create a partial vacuum to suck up dust and dirt, usually from floors, and optionally from other surfaces as well. The dirt is gathered by either a dustbag or a rigid cartridge, which may be emptied and reused.
Patent model of Daniel Hess's carpet sweeper. In 1860 a manual vacuum cleaner was invented by Daniel Hess of West Union, Iowa. Called a "carpet sweeper", it gathered dust with a rotating brush and had a bellows for generating suction. [4] [5] Another early model (1869) was the "Whirlwind", invented in Chicago in 1868 by Ives W. McGaffey. The ...
Bevin Brothers is the only remaining bell manufacturer in East Hampton and still remains in the Bevin family. [2] Through the years it has made sleigh bells, house bells, cow bells, sheep bells, door bells, and ship's bells. It has been the main manufacturer of bells for the Salvation Army's Christmas-time bell-ringers. [3]