|based in||U K|
|horn dia||53 mm|
|marks||HAYHURST's 'HYGIENIC' EAR TUBE Box has address|
|adjustable||flexible ! earpiece and horn rotate wrt tube|
|seller note||A Conversation Tube and an Ardente Hearing Aid, tube by Hayhurst in Bakelite with woven fabric tube cover, in original box with label, Dents Ardente battery operated hearing aid in Bakelite in fitted case|
|comment||This is my first knowledge of Hayhurst. So a must have item.|
The horn contains a diaphragm which is unusual. The earpiece and horn both rotate with respect to the tube. The Ardente in the lot will be sold.