ear trumpets

beehive

3/4grilleearside
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image of ear trumpet
55mm
image of ear trumpet
60mm
image of ear trumpet
64mm
image of ear trumpet
76mm

These trumpets are an ornate variation on the London Dome.

I haven't seen any suggestion that the shape improves performance, but it is easier to believe that it happened.

Materials include metal, faux tortoiseshell and cellulose acetate.
4 examples