Mandl, Matthew. <br/><br/>
Hearing aids: their use, care, and repair. 

 - New York,  Macmillan  [1953] 
 - 158 p.  illus.  22 cm. 
<br/><br/>The modern hearing aids // the new user // method of wear // the molded earpiece // care of hearing aid // battery care and storage // making minor repairs // electronic repair factors // servicing procedures and typical troubles // future trends // index //  
<br/><br/><label>LCCN: </label>53006408  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Hearing aids.
<br/><br/><label>LC Class. No.: </label>RF300  / .M3 
<br/><br/><label>Dewey Class. No.: </label>617.89 MAN