| style | curiosity |
| brand | Willen |
| based in | England |
| trademark | |
| made | 1925 |
| retailer | |
| earpiece | gutta percha |
| body | brass |
| horn | brass |
| horn dia | 60 mm |
| length | 85 mm |
| weight | 208 gm |
| size |
|
| grille | none |
| marks | WILLEN BROS LONDON |
| ring | no |
| adjustable | no |
| handed | no |
| rarity | rare |
| build | artisaned |
| condition | good - it works as new ! |
| acquired | 2020 |
| seller type | auction |
| found in | Aylsham |
| country | England |
| value |
|
| seller note | Vintage hearing tester manufactured by Willen Bros, London |
| comment | I saw this starting at £2 and thought it was a valuable curiosity related to the collection. |
| accessory | |
| boxed | no |
| shape | weird |
| gwrok | omit |
| wax | no |
| bay | 5 |
| details on the field categories may be found here | |