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Biographical entry Bethell, P.

Electrical engineer


P. Bethell was a member of the team which developed a Teleprinter Reperforator Switching System, 'Tress,' in 1959. The system involved storing all messages on perforated tape at the Chief Telegraph Office in capital cities and forwarding to nominated post offices or printergram terminals when switching equipment, links and receiving equipment were available for transmission.

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See also

Rosanne Walker