| style | london dome |
| brand | Unknown |
| based in | |
| trademark | |
| made | 1875 |
| retailer | |
| earpiece | celluloid |
| body | brass |
| horn | brass |
| horn dia | 43x33 mm |
| length | 94 mm |
| weight | 47 gm |
| size |
|
| grille | none |
| marks | none found |
| ring | no |
| adjustable | no |
| handed | no |
| rarity | unusual |
| build | artisaned |
| condition | quite good |
| acquired | 2015 |
| seller type | dealer |
| found in | Autheuil |
| country | France |
| value |
|
| seller note | Sonotones cornets acoustiques OLD HEARING AID (2 on one sale) |
| comment | I wanted these as neither has a grille |
| accessory | |
| boxed | no |
| shape | cone |
| gwrok | yes |
| wax | no |
| bay | 2 |
| details on the field categories may be found here | |