"Fortiphone 30A" electrical hearing aid

"Fortiphone 30A" electrical hearing aid, cased, by Fortiphone, London, 1945-1960

Details

Category:
Audiology
Collection:
Sir Henry Wellcome's Museum Collection
Object Number:
A602529
Materials:
case, metal, case cover, leatherette, blue, clip, brass, amplifier, metal, earpiece, plastic, earpiece, copper, anodised, lining, velvet, clack and lining, fabric
Measurements:
earpiece: diameter 20 mm
case: height 37 mm
case: width 157 mm
case: length 88 mm
amplifier: height 103 mm
amplifier: width 58 mm
type:
hearing aids
credit:
Bailey, A. Optical Mission