Rare Vibrophone Hearing Device (1) - Brass, Silver
Complete, perfect condition with instructions for use and in original case! 75mm is the long size of the case. Photos are an essential part of the description so that you can form your opinion in advance. Invented in 1885 this instrument was produced into the early 20th century. An advert in “Illustrations” in 1913 describes it as a new discovery, proclaiming “THE DEAF HEAR WITH LE VIBROPHONE INVISIBLE. Thanks to its extreme power and precision, the VIBROPHONE makes it possible to hear a conversation, make ear noise disappear and regenerate the hearing. – Price: 28f. ” A significant sum at that time. Source: http: //phisick. com/item/french-vibrophoe-audiometry-ear-tube/
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Complete, perfect condition with instructions for use and in original case! 75mm is the long size of the case. Photos are an essential part of the description so that you can form your opinion in advance. Invented in 1885 this instrument was produced into the early 20th century. An advert in “Illustrations” in 1913 describes it as a new discovery, proclaiming “THE DEAF HEAR WITH LE VIBROPHONE INVISIBLE. Thanks to its extreme power and precision, the VIBROPHONE makes it possible to hear a conversation, make ear noise disappear and regenerate the hearing. – Price: 28f. ” A significant sum at that time. Source: http: //phisick. com/item/french-vibrophoe-audiometry-ear-tube/
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