Dull silver metal ear tubes have dark brown/black moulded synthetic ear buds. Fitted with small loops: possibly for use with neck suspension chain. Dark brown moulded synthetic or resin chest piece base and ear tube connectors [vulcanite]; gold-brown woven fabric covering on tubing. Dark brown/black moulded synthetic or resin [vulcanite ?] bell has threaded collar.

Allows user to hear sounds from within the body. Especially used to listen to heart, pulse and lungs.

Part of a larger collection of medical artifacts, archival material and trade literature transferred to CSTM in 2002 from the former History of Medicine Museum in Toronto, Ontario.