Sound reproducing apparatus

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electricity", which, in , he mailed to professor poggendorff for insertion in the then well-known periodical, annalen der physik . the manuscript was rejected, to the great disappointment of the sensitive young teacher. [ ] reis, like bell would later do, had studied the organs of ear and the idea of an apparatus

for transmitting sound by means of electricity had floated on his mind for years. inspired by his physics lessons he attacked the problem, and was rewarded with success. in , he constructed the first prototype of a telephone , which could cover a distance of meters. in , he again tried to interest poggendorff...

https://en.wikipedia.org/wiki/Johann_Philipp_Reis

plastic or aluminium ) manufacture of paper stationery manufacture of wallpaper manufacture of other articles of paper and paperboard *publishing, printing and reproduction of recorded media *publishing publishing of books publishing of newspapers publishing of journals and periodicals publishing of sound

manufacture of ready-mixed concrete manufacture of mortars manufacture of the fibre cement manufacture of other articles of concrete, plaster and cement cutting, shaping and finishing of stone *manufacture of other non-metallic mineral products production of abrasive products manufacture of heat and sound...

http://www.ccias.org.lb/_business.php

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postponed: sound the alarm, save a life - lake shore fire district search this site home about us fire stations wall of honor apparatus news and updates volunteer today resources, minutes and budgets contact us donate online lake shore fire district long pond road rochester, ny news and updates ‎ > ‎

postponed: sound the alarm, save a life posted feb , , : am by mary newby [ updated mar , , : am ] unfortunately, this event in postponed. we will let you know when we can continue this program.in conjunction with fire departments, corporate and non-profit partners, and government officials, the american...

http://www.lsfd.us/news/soundthealarmsavealife

. - serial number :: justia trademarks log in sign up find a lawyer ask a lawyer research the law law schools laws & regs newsletters legal marketing law firm websites law firm seo lawyer directory local marketing other marketing solutions justia trademarks categories electrical and scientific apparatus

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. - serial number :: justia trademarks log in sign up find a lawyer ask a lawyer research the law law schools laws & regs newsletters legal marketing law firm websites law firm seo lawyer directory local marketing other marketing solutions justia trademarks categories electrical and scientific apparatus

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