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- Compressed_air_gramophone abstract "Compressed air gramophones were gramophones which employed compressed air and a pneumatic amplifier to amplify the recorded sound.One of the earliest versions was the Auxetophone, designed by the British engineer Sir Charles Parsons. It was capable of producing sufficient volume to broadcast public music performances from the top of the Blackpool Tower, and was said to be loud enough to cause people to vacate the front rows of seats in an auditorium.A pneumatic amplifier was realised by using a sensitive valve, which required little force to operate, to modulate the flow of a stream of compressed air. The basic principle of the valves used in these devices was to pass the stream of compressed air through two partially overlapping combs. The sound vibrations to be amplified were applied to one of the combs, causing it to move laterally in relation to the other comb, varying the degree of overlap and so altering the flow of compressed air in sympathy with the sound vibrations.The Chronomégaphone, designed for large halls, was a compressed air gramophone which employed compressed air to amplify the recorded sound. It was used by Gaumont for the presentation of some of their early sound films.The Auxetophone was an early compressed air gramophone designed by the British engineer Sir Charles Parsons.The Auxetophone was sold in the United States as the Victor Auxetophone.Other compressed-air gramophones included the Chronomégaphone and the Elgéphone.".
- Compressed_air_gramophone thumbnail Gaumont1902.jpg?width=300.
- Compressed_air_gramophone wikiPageExternalLink auxetoph.htm.
- Compressed_air_gramophone wikiPageID "36596169".
- Compressed_air_gramophone wikiPageLength "5360".
- Compressed_air_gramophone wikiPageOutDegree "16".
- Compressed_air_gramophone wikiPageRevisionID "704489630".
- Compressed_air_gramophone wikiPageWikiLink Blackpool_Tower.
- Compressed_air_gramophone wikiPageWikiLink Category:Audio_players.
- Compressed_air_gramophone wikiPageWikiLink Category:Mechanical_amplifiers.
- Compressed_air_gramophone wikiPageWikiLink Category:Pneumatics.
- Compressed_air_gramophone wikiPageWikiLink Charles_Algernon_Parsons.
- Compressed_air_gramophone wikiPageWikiLink Compressed_air.
- Compressed_air_gramophone wikiPageWikiLink Compressed_air_gramophone.
- Compressed_air_gramophone wikiPageWikiLink Elgéphone.
- Compressed_air_gramophone wikiPageWikiLink Gaumont_Film_Company.
- Compressed_air_gramophone wikiPageWikiLink Phonograph.
- Compressed_air_gramophone wikiPageWikiLink Sound_film.
- Compressed_air_gramophone wikiPageWikiLink File:Gaumont1902.jpg.
- Compressed_air_gramophone wikiPageWikiLinkText "Compressed air gramophone".
- Compressed_air_gramophone wikiPageWikiLinkText "Compressed air gramophone#Auxetophone".
- Compressed_air_gramophone wikiPageWikiLinkText "Compressed air gramophone#Chronomégaphone".
- Compressed_air_gramophone wikiPageWikiLinkText "Compressed air gramophone#pneumatic amplifier".
- Compressed_air_gramophone wikiPageWikiLinkText "compressed air gramophone".
- Compressed_air_gramophone wikiPageUsesTemplate Template:Reflist.
- Compressed_air_gramophone wikiPageUsesTemplate Template:Sound-tech-stub.
- Compressed_air_gramophone wikiPageUsesTemplate Template:Use_dmy_dates.
- Compressed_air_gramophone wikiPageUsesTemplate Template:Visible_anchor.
- Compressed_air_gramophone subject Category:Audio_players.
- Compressed_air_gramophone subject Category:Mechanical_amplifiers.
- Compressed_air_gramophone subject Category:Pneumatics.
- Compressed_air_gramophone hypernym Gramophones.
- Compressed_air_gramophone type Diacritic.
- Compressed_air_gramophone type Pneumatic.
- Compressed_air_gramophone type Redirect.
- Compressed_air_gramophone type Technology.
- Compressed_air_gramophone comment "Compressed air gramophones were gramophones which employed compressed air and a pneumatic amplifier to amplify the recorded sound.One of the earliest versions was the Auxetophone, designed by the British engineer Sir Charles Parsons.".
- Compressed_air_gramophone label "Compressed air gramophone".
- Compressed_air_gramophone sameAs Q5157017.
- Compressed_air_gramophone sameAs m.0klzqbw.
- Compressed_air_gramophone sameAs m.0kmdg80.
- Compressed_air_gramophone sameAs m.0kmtypt.
- Compressed_air_gramophone sameAs Q5157017.
- Compressed_air_gramophone wasDerivedFrom Compressed_air_gramophone?oldid=704489630.
- Compressed_air_gramophone depiction Gaumont1902.jpg.
- Compressed_air_gramophone isPrimaryTopicOf Compressed_air_gramophone.