Collection
Collection
Learning
The group
Visit us
Expand child menu
Science Museum
National Science and Media Museum
Science and Industry Museum
National Railway Museum
Locomotion
Collection
Search
About
Search
About
Collection
Learning
The group
Visit us
Expand child menu
Science Museum
National Science and Media Museum
Science and Industry Museum
National Railway Museum
Locomotion
Search our collection
All
2
People
0
Objects
2
Documents
0
View:
Filter search
Clear all filters
Image
Has Image
0
Non-Commercial Use
0
Category
Audiology
2
Maker
Siemens and Halske AG
1
Object type
hearing aids
2
electrical
1
fortiphone
1
hearing (aids)
1
Place
Berlin
1
New York
1
Material
microphone, plastic
2
case, leatherette
1
case, leatherette, black
1
connector, plastic
1
earpiece, aluminium
1
earpiece, metal
1
earpiece, plastic
1
hear piece, steel
1
lining, velvet, purple
1
microphone, metal
1
Date
From
To
filter
Ear phone battery hearing aid
Ear phone battery hearing aid
Audiology
1910-1940
"Fortiphone" battery hearing aid, cased, by Siemens and Halske, Berlin, 1900-1940
"Fortiphone" battery hearing aid, cased, by Siemen
Audiology
1900-1940
