Swan-shaped aluminium ear trumpet hearing aid, once the property of Dr. William Laidlaw Purves and made by Walter Lawley, Farringdon Street, London, 1870-1917
Details
- Category:
- Audiology
- Collection:
- Sir Henry Wellcome's Museum Collection
- Object Number:
- A602556
- Materials:
- aluminium, alloy
- type:
- hearing aids