[Bound material on the automatic private branch exchange type ALD 20]
Maker and role
Unknown, Compiler
Ericsson Telephone Limited, Publisher
Production date
1946-1950
Object detail
Accession number
09/030/001
Description
Bound material including an article on Ericsson's private branch exchange, type ALD 20 for 20 exchanges and 5 public exchange lines; description, instructions and diagrams. Marked "Telecommunications Section MOTAT training copy" on cover.
Media/Materials
Physical description
1 volume ; 30 cm
Record level
Series
Credit line
Unknown et al. 1946-1950. [Bound material on the automatic private branch exchange type ALD 20], 09/030/001. Walsh Memorial Library, The Museum of Transport and Technology (MOTAT).
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