photoelectric recorder
21Eric Tigerstedt — Infobox Person name = Eric M. C. Tigerstedt imagesize = caption = birth date = birth date|1887|8|14|mf=y birth place = Helsinki, Finland death date = death date and age|1925|4|20|1887|8|14|mf=y death place = New York, U.S. occupation = inventor… …
22Astrionics — is the science and technology of the development and application of electronic systems, sub systems, and components used in spacecraft. The electronic systems on board a spacecraft include attitude determination and control, communications,… …
23Bosscha Observatory — Infobox Observatory name = Bosscha Observatory caption = organization = Institut Teknologi Bandung location = Lembang, West Java, Indonesia coords = coord|6|49|00|S|107|36|0|E|type:landmark altitude = 1,310 m (4,296 ft) weather = established =… …
24photography, technology of — Introduction equipment, techniques, and processes used in the production of photographs. The most widely used photographic process is the black and white negative–positive system (Figure 1 >). In the camera the lens projects an image of… …
25sound recording — Introduction transcription of vibrations in air that are perceptible as sound onto a storage medium, such as a phonograph disc. In sound reproduction the process is reversed so that the variations stored on the medium are converted back… …
26Gramophone — Synonyms and related words: PA, PA system, Victrola, audio sound system, audiophile, binaural system, bitch box, bullhorn, cartridge, ceramic pickup, changer, crystal pickup, derived four channel system, discrete four channel system, four channel …
27PA — Synonyms and related words: Gramophone, PA system, Victrola, audio sound system, audiophile, binaural system, bitch box, bullhorn, cartridge, ceramic pickup, changer, crystal pickup, derived four channel system, discrete four channel system, four …
28PA system — Synonyms and related words: Gramophone, PA, Victrola, audio sound system, audiophile, binaural system, bitch box, bullhorn, cartridge, ceramic pickup, changer, crystal pickup, derived four channel system, discrete four channel system, four… …
29Victrola — Synonyms and related words: Gramophone, PA, PA system, audio sound system, audiophile, binaural system, bitch box, bullhorn, cartridge, ceramic pickup, changer, crystal pickup, derived four channel system, discrete four channel system, four… …
30bitch box — Synonyms and related words: Gramophone, PA, PA system, Victrola, audio sound system, audiophile, binaural system, bullhorn, cartridge, ceramic pickup, changer, crystal pickup, derived four channel system, discrete four channel system, four… …
