| Show EAF PERSONS HEAR MUSIC Some Have to Be Taught What Sou Sound d Means Persons Per on ruled rated as aa stone df dear d at at atthe the New York Tork Institution for tor or the tho Instruction of the tho Deaf Deal and Dl mb Fort t Washington avenue and street have been been- enabled to hear music by tho the application to their ot amplified electrical Ibra vibratory ibra- ibra tory sound currents David Grimes radio expert and electrical says gays In Ina ina Ina a report quoted by the New YOrk World orld on experiments he con con- con conducted ducted conducted In that Institution Grimes who la le an associate member of the Institute In of Radio Engineers and the American In- In Institute Institute In Institute of ot Electrical Engineers Eng In- In In Invented vented Seated a 0 radio receiving apparatus requiring no aerial ground wire or outside connection He began his experiments on deaf per per- persons persons sons eons vi with Ith a 0 radio but soon eoon drop drop- dropped dropped dropped ped Jt R tor for what he says MYS 12 li 2 a better method At the Institution It Wa Wa- said he had been remarkably sue sue- successful EUC but had not succeeded In enabling some of the adult deaf persons person to hear at all The tests which be began an at the tho In institution last spring reads Mr- Mr Grimes Mr-Grime's Grimes Grime's report of hi till findings were ere under the auspices of the thool faculty Wo We found there was vas no student the In-the In the school sho ho was totally o or stone stono deaf deaf al- al although although al although though many were wore ao so rated Deaf Deaf- Deane Deafness ne ness flees s then I concluded was vas apparently apparently a relative matter depending entirely on the volume of sound re- re re received colt ceh ed edVe We Ve had no difficulty In ena- ena enabling enabling ena enabling bling th those so rated as GS low D as 6 5 u per percent percent percent cent to hear perfectly We Ve Increased increased Increased ed ou our volume without distortion until we o e were ere reaching the class known as stone stona deaf We Vo had se eral students who ho were ere ere able to although they lacked ear eardrums eardrums eardrums drums One result of value alue alue was as as proof that even U If deafness were cured It would mean noth noth- noth- noth ing lag nothing to the patient until he learn learn- learned learned learned ed what sound means Most of the students of the extremely deaf class became so as a a result of In- In Infantile In Infantile fantle diseases The Tho mechanism o of their ears were Intact At the time o of the Illness all the childs child's muscles were vero weakened Including 1 ing those of the ear When It re- re recovered recovered re recovered covered It moved Its other mus muscles des cles but the ear muscles had no similar means o of recuperation When we applied the oui OUI sound found volume the ear muscles were forced to move at each sound op 00 I |