ERICSSON TELEPHONE No's N20026 & N20027


POLICE STREET TELEPHONE

Street telephone with loudspeaker equipment and special police telephone for municipalities.

Terminal point signalling is arranged for:
Signalling over the loop - N20026
A point over A line and earth - N20027A
B point over B line and earth - N20027B

Blueprint of N20026

Know as the Post PA No. 1 and used in the PA150 Police Telephone system by the GPO.

The GPO maintained all these posts that were installed in the street.
See the Police section for more details.

Introduced around 1931.

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Last revised: December 04, 2002