| style | con tube |
| brand | American Earphone |
| based in | USA |
| trademark | Vibratube |
| made | 1920 |
| retailer | |
| earpiece | vulcanite |
| body | covered tube |
| horn | vulcanite |
| horn dia | 44 mm |
| length | 970 mm |
| weight | 85 gm |
| size |
|
| grille | none |
| marks | none found |
| ring | no |
| adjustable | flexible ! |
| handed | no |
| rarity | common |
| build | tooled |
| condition | Excellent |
| acquired | 2012 |
| seller type | individual |
| found in | Des Moines IA |
| country | USA |
| value |
|
| seller note | Vibratube by American Earphone Co in three pieces |
| comment | Bought because I didn't have this style |
| accessory | |
| boxed | no |
| shape | dome |
| gwrok | yes |
| wax | no |
| bay | 3 |
| details on the field categories may be found here | |