Study course for controlling officers examination: technical paper : introductory to telephony

Unknown
See full details

Details


Production Date
Unknown
Description
New Zealand Post Office Correspondence School textbook for technical paper Introductory to Telephony. Includes fifteen papers for the unit. Used by K E Smith during his time with the NZPO as junior mechanician and later as senior technician (transmission), 1964-1989.

Contents: definitions, abbreviations, and symbols / table of symbols / the dry cell / secondary cells / protection from electrical hazards / test instruments / insulation and insulation resistance / audible and visual signalling and alarms / transmission and reception of speech / the magneto telephone / central battery and automatic telephones / transmission and signalling standards / unit magneto exchange / non-multiple magneto exchange / telephone lines / cables and wiring / safety precautions
Other Name
Introductory to telephone
Physical Description
1 volume (unnumbered) : diagrams, figures (black and white) ; 34.5 cm
Media/Materials
Signature/Marks
K. Smith Embossed
Accession No
PUB-2019-37.1
Credit Line
Unknown. Study course for controlling officers examination: technical paper : introductory to telephony, PUB-2019-37.1. Walsh Memorial Library, The Museum of Transport and Technology (MOTAT).
Disclaimer

The development of MOTAT's online platform is a continual process. Records are updated regularly, with new information and images. There may be mistakes or omissions in the information provided and we welcome input from the public.

 Do you know something about this object? Contact us or comment below.


Be the first to comment.