Phonautograph

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Pho`nau´to`graph

(Physics) An instrument by means of which a sound can be made to produce a visible trace or record of itself. It consists essentially of a resonant vessel, usually of paraboloidal form, closed at one end by a flexible membrane. A stylus attached to some point of the membrane records the movements of the latter, as it vibrates, upon a moving cylinder or plate.

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No references found			He had not been forgetful of "Visible Speech" all this while, but had been making experiments with two remarkable machines--the phonautograph and the manometric capsule, by means of which the vibrations of sound were made plainly visible. The History of the Telephone by Casson, Herbert N. View in context			Pholiota Pholiota astragalina Pholiota aurea Pholiota destruens Pholiota flammans Pholiota flavida Pholiota nameko Pholiota squarrosa Pholiota squarrosa-adiposa Pholiota squarrosoides Pholis Pholis gunnellus Pholistoma Pholistoma auritum Pholus Phomvihane phon phon(e)y phon- phon. Phonal Phonascetics phonate phonathon Phonation Phonautograph phonautography phone phone back phone bill phone book phone booth phone box phone call phone card phone company phone cord phone in phone jack phone line phone message phone number phone plug phone service phone sex phone system phone tapper phone tapping phone up phone-in phonebook			phonal Phonascetics phonasthenia phonasthenia phonasthenia phonasthenia phonate phonate phonate phonate phonated phonated phonated phonated phonates phonates phonates phonates phonathon phonating phonating phonating phonating phonation phonation phonation phonation phonatory phonatory phonatory Phonautograph phonautography phone phone phone phone Phone A Friend Phone Access Lookup phone adapter Phone Adapter with 2 Phone Ports Phone and PDA Phone and Web Services Phone as Modem phone back phone bill phone book Phone Book Access Profile Phone Book Code phone book error, calls routed to wrong business phone books phone booth phone booth phone booth Phone booths Phone booths Phone booths Phone box Phone box Phone box Phone bug phone call

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Phonautograph playV2('en/US/dy/dyskdosjsjddsrsrsssls5d5s5sfhngj');playV2('en/UK/dy/dyskdosjsjddsrsrsssls5d5s5sfhngj')

Phonautograph