Ammoniaphone, 'for voice cultivation by chemical means', English, 1871-1900.
Metal ammoniaphone, for voice cultivation, in box, invented, by Dr. Carter Moffat, by Medical Battery Co., London, 1871-1900
Details
- Category:
- Therapeutics
- Collection:
- Sir Henry Wellcome's Museum Collection
- Object Number:
- A606884
- Materials:
- paper, aluminium, soft solder and complete
- type:
- instruments, medical and ammoniaphones