An unusual and attractive telescopic celluloid hearing trumpet based on the circular receiver design pioneered by Hawskley.
The circular pan is partially covered forming a hollow convex receptor. The ivorine ear piece is detachable and has a nice tight thread. The aid would be hung around the neck with a cord passing through the loop on the back. Both sides of the pan have a fetching Art Deco design. Extended length 340 mm Retracted 210 mm x 130 mm wide.