Study course for controlling officers examination: technical paper : introductory to telephony
Production date
Unknown
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Object detail
Accession number
PUB-2019-37.1
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
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
Signature/Marks and Type
K. Smith Embossed
Media/Materials
Physical description
1 volume (unnumbered) : diagrams, figures (black and white) ; 34.5 cm
Other title
Introductory to telephone
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).
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