| style | london dome |
| brand | Unknown |
| based in | |
| trademark | |
| made | 1905 |
| retailer | |
| earpiece | celluloid |
| body | faux tortoise shell |
| horn | faux tortoise shell |
| horn dia | 70x42 mm |
| length | 98 mm |
| weight | 48 gm |
| size |
|
| grille | bars |
| marks | none found |
| ring | no |
| adjustable | no |
| handed | no |
| rarity | common |
| build | tooled |
| condition | Excellent |
| acquired | 2012 |
| seller type | dealer |
| found in | Utrecht |
| country | Netherlands |
| value |
|
| seller note | A FRENCH FAUX TORTOISE 'SONOR' TYPE HEARING AID, BEGINNING 20TH CENTURY. 10 CM HIGH AND A QUITE SIMPLE FAUX TORTOISE GRILL. |
| comment | These flat London Domes appear occasionally and are catalogued |
| accessory | |
| boxed | no |
| shape | cone |
| gwrok | yes |
| wax | no |
| bay | 2 |
| details on the field categories may be found here | |