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The White Family Rotary or White FR, later White Rotary or White Rotary Electric, was the first rotary hook sewing machine produced by the White Sewing Machine Company, introduced circa 1900. [1] It joined the successful White Vibrating Shuttle on White's expanding product line and eventually eclipsed it. It was originally sold as a treadle ...
Trade card, ca 1900. The White Sewing Machine was the first sewing machine from the White Sewing Machine Company. [1] It used a vibrating shuttle bobbin driver design. For that reason, and to differentiate it from the later White Family Rotary that used a rotary hook design instead, it came to be known as the "White Vibrating Shuttle" or "White VS".
Columbia Grafonola. The Columbia Grafonola is a brand of early 20th century American phonograph made by the Columbia Graphophone Company. Introduced in 1907, Grafonolas are internal horn alternatives to the same company's external horn Disc Graphophones. [1][2] Until late 1925, all record players reproduced sound by purely mechanical means and ...
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.
A model 27/127 coincidentally weighs 27 pounds (12 kg), plus the weight of its motor; treadle or hand crank; light; and case or cabinet. Such a weight strains the meaning of the term "portable", even when fitted with only a hand crank and minimal wood case. By comparison, today's laptop computers typically weigh 3 to 5 pounds (1.4 to 2.3 kg).)
The researchers invented the exponential horn, and, on realizing that it needed to be nine feet long to reproduce the lowest frequencies on the new discs, designed a method for "folding" the horn into a cabinet of practical size. The design was released by Victor as the "Orthophonic" Victrola in the autumn of 1925.
The Leslie speaker is a combined amplifier and loudspeaker that projects the signal from an electric or electronic instrument and modifies the sound by rotating a baffle chamber ("drum") in front of the loudspeakers. A similar effect is provided by a rotating system of horns in front of the treble driver. It is most commonly associated with the ...
Wheeler & Wilson Manufacturing Co. Wheeler & Wilson was an American company which produced sewing machines. The company was started as a partnership between Allen B. Wilson and Nathaniel Wheeler after Wheeler agreed to help Wilson mass-produce a sewing machine he designed. [1] The two launched their enterprise in the early 1850s, and quickly ...
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