Does anybody know what became of this firm? Did they go out of
business or get taken over? I'm looking for the service manual or at
least the PSU circuit diagram for the Model 5120 Frequency
Synthesizer. Can anyone help with this or suggest a source?

Thanks
Tom Crane.

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Tom Crane, Dept. Physics, Royal Holloway, University of London, Egham Hill,
Egham, Surrey, TW20 0EX, England.
Email:
Fax: +44 (0) 1784 472794