reproducer
21Auxetophone — Aux*e to*phone, n. [Gr. ? that may be increased + ? sound, voice.] A pneumatic reproducer for a phonograph, controlled by the recording stylus on the principle of the relay. It produces much clearer and louder tones than does the ordinary… …
22List of IBM products — The following is a list of notable products from the International Business Machines (IBM) Corporation and its predecessor corporations, beginning in the 1890s, and spanning punched card machinery, time clocks, and typewriters, via mainframe… …
23Edison Disc Record — Edison Records logo from 1910s sleeve The Edison Disc, also known as a Diamond Disc record, was a type of audio disc record marketed by Edison Records from 1912 to 1929 …
24IBM 519 — The IBM 519 Electric Document Originating Machine, introduced in 1946, was the last in a series of unit record machines designed for automated production of punch cards. It could reproduce all or parts of the information on a set of cards; copy… …
25Diaphragm (acoustics) — In the field of acoustics, a diaphragm is a transducer intended to faithfully inter convert mechanical motion and sound. It is commonly constructed of a thin membrane or sheet of various materials. The varying air pressure of the sound waves… …
26IBM 513 — The IBM 513 Reproducing Punch ( [http://ed thelen.org/1401Project/513FrontSide .jpgphoto] ) was a card punching machine developed by IBM. The machine could perform these functions:* Reproducing all or part of the data on a deck of punched cards.… …
27IBM 514 — The IBM 514 Reproducing Punch [http://www.tietokonemuseo.saunalahti.fi/eng/kuva 11 eng.htm (photo)] was a card punching machine developed by IBM. The 514 was announced in 1949, withdrawn in 1978. The machine could perform these functions:*… …
28Oscar/Technische Verdienste — Der Oscar für technische Verdienste (Academy Technical Achievement Award) ist eine seit 1931 vergebenene Auszeichnung der Academy of Motion Picture Arts and Sciences und würdigt herausragende Leistungen auf dem Gebiet der Verbesserung technischer …
29Электромеханический фильтр — ЭМФ советского производства, предназначенный для выделения нижней боковой полосы в аппаратуре радиосвязи с промежуточной частотой 500 кГц. Ширина полосы пропускания  3,1 кГц. Механическ …
30VRU — Voice Response Unit (Governmental » Military) * Virginia Rugby Union (Community » Sports) * Video Reproducer Unit (Academic & Science » Electronics) * Video Reproducer Unit (Community » Media) * Vryburg, South Africa (Regional » Airport Codes) *… …
