|
Name/Title |
Maker |
Production date |
Collection type |
|
|
|
The telephone and telephone exchanges : their invention and development
|
J. E. Kingsbury
|
1915
|
Walsh Memorial Library/Published Titles
|
|
|
|
Automatic telephone practice
|
Harry E. Hershey
|
1919
|
Walsh Memorial Library/Published Titles
|
|
|
|
Automatic telephone systems, house telephones, testing of telephone circuits, telephone-line construction, telephone cables, power equipment
|
|
1907
|
Walsh Memorial Library/Published Titles
|
|
|
|
Excerpt from the New Zealand Journal of Science and Technology : Automatic telephone systems
|
J. N. Wallace
|
1918
|
Walsh Memorial Library/Ephemera and manuscripts
|
|
|
|
G.E.C. Twenty four duplex-channel voice-frequency telegraph equipment, Handbook 1403A
|
The General Electric Company Limited
|
[1959]
|
Walsh Memorial Library/Published Titles
|
|
|
|
G.E.C. Three-circuit carrier telephone equipment for open-wire lines, handbook 1010E volume 1
|
The General Electric Company Limited
|
[1955]
|
Walsh Memorial Library/Published Titles
|
|
|
|
G.E.C. Twelve-circuit carrier telephone equipment for open-wire lines types LY1 and LY2
|
The General Electric Company Limited
|
[1955]
|
Walsh Memorial Library/Published Titles
|
|
|
|
G.E.C. Twelve-circuit carrier telephone equipment for open-wire lines types SY1, SY2, SY3 and SY4 ,
Handbook 1025A Volume 1.
|
The General Electric Company Limited
|
[1963]
|
Walsh Memorial Library/Published Titles
|
|
|
|
Telephony
|
|
1902
|
Walsh Memorial Library/Published Titles
|
|
|
|
Telephony and telegraphy A : an introduction to instruments and exchanges
|
Sydney F. Smith
|
1969
|
Walsh Memorial Library/Published Titles
|
|
|
|
Relays in automatic telephony : their construction, design, and adjustment, together with the theory of impulsing and the measurement of time lags
|
R. W. Palmer
|
1930
|
Walsh Memorial Library/Published Titles
|
|
|
|
Fundamentals of Strowger dial systems
|
Arthur Bessey Smith
|
1929
|
Walsh Memorial Library/Published Titles
|
|
|
|
Photograph of Hamilton "Rural" Switchboard automatic exchange building
|
|
1922
|
Walsh Memorial Library/Pictorial
|
|
|
|
Photograph of Hamilton Automatic Exchange
|
|
1922
|
Walsh Memorial Library/Pictorial
|
|
|
|
Glass slide of W. E. 7002 dial
|
|
1920s
|
Walsh Memorial Library/Pictorial
|
|
|
|
Model 75 teleprinter [adjustment instructions]
|
Chreon Electronics
|
1960s
|
Walsh Memorial Library/Ephemera and manuscripts
|
|
|
|
Glass slide of W. E. 7002 dial
|
|
1920s
|
Walsh Memorial Library/Pictorial
|
|
|
|
Glass slide of W. E. 7002 dial
|
|
1920s
|
Walsh Memorial Library/Pictorial
|
|
|
|
Glass slide of W. E. 7002 dial
|
|
1920s
|
Walsh Memorial Library/Pictorial
|
|
|
|
Glass slide of W. E. 7002 dial, tools and guages for use on 7002 dials
|
|
1920s
|
Walsh Memorial Library/Pictorial
|
|
