| More information on Edgar R. McGuire Historical Medical Instrument Collection |
Ear trumpets |
 |
 |
| 93.4.2 Hawksley (Firm : London, England) |
 |
| 02.4.5.4. Two brass-plated rounded horn-shaped hearing aids with ivory earpieces in black case with brown lining. Inscription on the inside of both earpieces "F.C.Rein &? Lond. Patentees Sole Inventors and Only Makers 108 Strand. London". |
 |
| 101-1457 Two silver inserts, one for each ear. Case has a tag that states "THE NATURTON COMPANY 83 PALL MALL, LONDON, S.W.I." Patent number on each ear piece reads "PATENT 426246". |
| images & text courtesy McGuire Medical Instruments Collection |
