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Locomotion
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Image
Has Image
1
Non-Commercial Use
1
Category
Audiology
1
Clinical Diagnosis
1
Object type
bonochord
1
diagnosis (ent)
1
electrical
1
hearing (aids)
1
hearing aids
1
laryngeal reflectors
1
Place
England
1
Material
headband, plastic
2
case, leatherette, brown
1
fittings, brass, nickel-plated
1
frame, aluminium
1
headband appendage, plastic
1
headband, steel
1
power unit, plastic
1
Date
From
To
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Laryngeal reflector
Clinical Diagnosis
1910-1930
Bonochord, battery, hearing aid, cased, English, 1940-1969
Bonochord, battery, hearing aid, cased, English, 1
Audiology
1940-1969
