Large Brass "Banjo" Ear Trumpet (Ear Horn) This large brass "banjo"-style ear trumpet was one of the largest ones made. There is no name or manufacturer's marks on it, but it was probably made around 1920 or a bit earlier. This ear trumpet measures 18⅛" (46.1 cm) in length when fully extended and 11⅝" (29.5 cm) when collapsed. The parabolic reflector measures 4¾" (12.1 cm) in diameter. The bowl is 1¾" (4.5 cm) deep. This ear trumpet weighs 6.2 oz. (176 g). |  | Click picture for larger view | | |   | | | |
| Rear view of the large brass "banjo"-style ear trumpet in its extended (open) position. This ear trumpet was originally japanned black, but someone has taken considerable trouble to polish off the original finish, revealing the shiny brass underneath. |  | Click picture for larger view | | | |
| Close-up view of the bowl of the large brass "banjo"-style ear trumpet. The parabolic-shaped bowl focused the sounds into the tube running to the ear. Note: if you look carefully, you can see that the bottom of the tube in the bowl is open to allow the sounds to enter the tube. |  | Click picture for larger view | | | |
| Close-up view of the joint in the large brass "banjo"-style ear trumpet showing how the two pieces fit together in the collapsed position. The cap (right) fits snuggly over the larger tube (left). In the next picture you can see what it looked like when fit together. It looks so natural (and fits so snug) that some people don't realize that this hearing aid is extendable. |  | Click picture for larger view | | | |
| Front view of the large brass "banjo"-style ear trumpet in its collapsed (closed) position. Notice how the two sections fit together making it look like a one-piece ear trumpet. |  | Click picture for larger view | | | |
| Rear view of the large brass "banjo"-style ear trumpet in its collapsed (closed) position. |  | Click picture for larger view | | | |
| Close-up view of the black hard rubber ear tip of the large brass "banjo"-style ear trumpet.
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