Modern Telephones
From Graces Guide
of Hatfield.
1944 Modern Telephone Company, of Tottenham Court Road, London, was advertising master switchboard for office telephones.
1957 Private company.
1961 Service engineers for internal telephones and public address systems. [1]
1960s Acquired by Shipton Automation.
1969 Admitted to the list of Post Office approved suppliers of private automatic branch exchange equipment[2]
See Also
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Sources of Information
- ↑ 1961 Dun and Bradstreet KBE
- ↑ The Times, January 7, 1969