Collection

Specification for Customer's Data Transmission Devices for use on the Public Inland Telephone System.

PART OF:: H. McGregor Ross Archive

Made:: 1950-1969

part of archive:: H. McGregor Ross Archive

maker:: Post Office Engineering Department

Details

Extent:: 1 item

Identifier:: ROSS/26

Access:: Open Access

copyright:: Copies may be supplied in accordance with current copyright legislation and Science Museum Group terms and conditions

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H. McGregor Ross Archive