Model [Rotary Telephone Exchange]

Object detail

Accession number

2004.331

Maker

Ross Martin

Production period

1980s

Description

Demonstration unit only of modified Western Electric switching equipment cut down to a small size for mobile display use. Model 7A. Klaxon motor drive decorated with fuse alarm, relay panel, alarm lights, barsetter.
Display panel in front - LEDs to show progress at call set-up, alarms, etc.
Manufactured in 1982 by Ross Martin from a variety of parts, mostly made circa 1920.
Note: Combination of selected parts.

Marks

The 7A Rotary Machine Switching system call path through telephone exchange

Media/Materials

Processed Material/Metal
Organic/Vegetal/Wood

Credit Line

Ross Martin. 1982. Model [Rotary Telephone Exchange], 2004.331. The Museum of Transport and Technology (MOTAT).

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Classification

Tools & Equipment for Communication Telecommunication T&E Telecommunication Devices

Production place

Auckland New Zealand

Collection type

Telecommunication Communications Technology

Subject auto tags

Passive circuit component Circuit component Hardware programmer Audio equipment Wood Microcontroller Electronic instrument Capacitor Computer hardware Office equipment

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