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The company provided cutting tools, abrasives, measuring instruments, carbide tooling, carbide inserts, machine tool accessories, tooling components, coolants, and measuring machines. [ 40 ] Bently bought a ten floor, 32,000 square feet (3,000 m 2 ) art-deco apartment building built in 1924 on the highest point of San Francisco's Nob Hill ...
The Scott Fetzer Company, a subsidiary of Berkshire Hathaway, is an American diversified manufacturer and marketer of products for the home, family, and industry comprising 33 brands, headquartered in Westlake, Ohio. [5] The company was founded by George H. Scott and Carl S. Fetzer in 1914 [6] as a machine shop under the name George H. Scott ...
White Sewing Machine Company manufactured automobiles, trucks, buses and agricultural machinery White Sewing Machine Company 1941 company book. The White Sewing Machine Company was a sewing machine company founded in 1858 in Templeton, Massachusetts, by Thomas H. White and based in Cleveland, Ohio, since 1866.
The Leece-Neville co. was organized in 1909 by Cleveland inventor Bennett M. Leece and financier Sylvester M. Neville. Incorporated in 1910 with capital of $61,000, Leece-Neville opened at 2069 E. 4th St. in Cleveland, Ohio. The company moved to 5363 Hamilton Ave. in 1915.
The moving parts in a machine can be rotating (rotating machines) or linear (linear machines). While transformers are occasionally called "static electric machines", [1] since they do not have moving parts, generally they are not considered "machines", [2] but as electrical devices "closely related" to the electrical machines. [3]
A brush or carbon brush is an electrical contact, often made from specially prepared carbon, which conducts current between stationary and rotating parts (the latter most commonly being a rotating shaft) of an electrical machine. [1] Typical applications include electric motors, alternators and electric generators. The lifespan of a carbon ...
An early example of electromagnetic rotation was the first rotary machine built by Ányos Jedlik with electromagnets and a commutator, in 1826-27. [2] Other pioneers in the field of electricity include Hippolyte Pixii who built an alternating current generator in 1832, and William Ritchie's construction of an electromagnetic generator with four rotor coils, a commutator and brushes, also in 1832.
Formally, it is an electric transmission device that allows energy flow between two electrical rotating parts, such as in a motor. Slip rings on a hydroelectric generator; A - stationary spring-loaded graphite brushes, B - rotating steel contact ring, C - insulated connections to generator field winding, D - top end of generator shaft.