The History of the Telephone in the United Kingdom
Baldwin, F.G.C.
Book
Total copies: 1
Author:
Imprint:
London : Chapman & Hall, Ltd., 1925
Collation:
Article
Notes:
Contains references to Louis John Crossley of Halifax, 'who invented the first carbon pencil microphone to be brought into commercial use successfully as a telephone transmitter'.
Dewey class:
621.385
Language:
English
BRN:
268914