Transactions . tsounds by changing the structure of the receiving tele-phone having resulted in a corresponding loss of thatintensity, of which, as has been shown, there is so littleto spare. DISCUSSION. Dr. Burnett :—Several patients under treatment forchronic catarrhal deafness have told me that in their opin-ion the use of the telephone had made them worse. Ofcourse I cannot prove that, but that was their were intelligent men,—men using the telephonefrequently in their business, in their offices; and theirtestimony was that the use of the telephone had injuredtheir hearing. I t


Transactions . tsounds by changing the structure of the receiving tele-phone having resulted in a corresponding loss of thatintensity, of which, as has been shown, there is so littleto spare. DISCUSSION. Dr. Burnett :—Several patients under treatment forchronic catarrhal deafness have told me that in their opin-ion the use of the telephone had made them worse. Ofcourse I cannot prove that, but that was their were intelligent men,—men using the telephonefrequently in their business, in their offices; and theirtestimony was that the use of the telephone had injuredtheir hearing. I think the strain on the ear mav havehastened the failure of hearing. Dr. Pomeroy :—I have a patient who complained thatthe use of the telephone fatigued her very much and some-times produced noises in the ear. She was inclined tobelieve it did her harm because, besides the symptomsenumerated, it made the ear worse in a general way. Extract from letter dated Boston. June 20. iSSS. ^OfL ^<-// -V ^^^ ^Wk f.


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Keywords: ., boo, bookcentury1800, bookdecade1860, booksubjectear, bookyear1868