The National Geographic Magazine, Volume 107National Geographic Society, 1955 - Geography Indexes kept up to date with supplements. |
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Page 146
... Hearing ! " The discovery of transistors to replace conventional vacuum tubes opened a bright new horizon of hearing - aid help . But price - and price alone - has kept many from enjoying the greater hearing - aid clarity , com ...
... Hearing ! " The discovery of transistors to replace conventional vacuum tubes opened a bright new horizon of hearing - aid help . But price - and price alone - has kept many from enjoying the greater hearing - aid clarity , com ...
Page 382
... hearing child . The " game , " for such it was to Mary , would also teach her to make the " wh " sound so needed for ... Hearing Fragments Put to Use Twenty - five years ago Bobby's tiny rem- nant of hearing might have been wasted , even ...
... hearing child . The " game , " for such it was to Mary , would also teach her to make the " wh " sound so needed for ... Hearing Fragments Put to Use Twenty - five years ago Bobby's tiny rem- nant of hearing might have been wasted , even ...
Page 396
... hearing once thought useless is new , scientists have known for years that total deafness is rare . These hearing rem- nants fascinated teachers and scientists , who knew that deaf children didn't talk because they couldn't hear speech ...
... hearing once thought useless is new , scientists have known for years that total deafness is rare . These hearing rem- nants fascinated teachers and scientists , who knew that deaf children didn't talk because they couldn't hear speech ...
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