| style |
ear tube |
| brand |
Unknown
|
| based in |
|
| trademark |
|
| made |
1924 |
| retailer |
|
| earpiece |
solid silver |
| body |
solid silver |
| horn |
solid silver |
| horn dia |
10x4 mm |
| length |
20 mm |
| weight |
3 gm |
| size |
|
| grille |
none |
| marks |
Sterling |
| ring |
no |
| adjustable |
no |
| handed |
both |
| rarity |
unusual |
| build |
tooled |
| condition |
Good |
| acquired |
2012 |
| seller type |
individual |
| found in |
Escondido CA |
| country |
USA |
| value |
|
| seller note |
Antique Sterling Silver Hearing Aid Invisible Ear Tubes Horns in Org Box |
| comment |
I have a US patent by Charles Fensky dated 1923 which describes this item. It seems the general term audiphone is applied to various ear tubes |
| accessory |
|
| boxed |
yes |
| shape |
weird |
| gwrok |
yes |
| wax |
no |
| bay |
5 |
| details on the field categories |
