New automatic telephone exchange of PABX type which replaced 20-yr old one of Strowger type and includes new exchange equipment in Melbourne for magneto lines of railways.
Telephone exchange of Victorian railways, Melbourne
Ericsson Rev
Ericsson Review ; n 4
1935
5 pages
Aufsatz (Zeitschrift)
Englisch
© Metadata Copyright Elsevier B. V. All rights reserved.
Engineering Index Backfile | 1910
Melbourne suburban railways electrified
Engineering Index Backfile | 1919
Signaling on Melbourne electrified railways
Engineering Index Backfile | 1920
|The Victorian Government Railways
Engineering Index Backfile | 1926
Automatic signaling on Melbourne railways
Engineering Index Backfile | 1920
|