The Men Who Direct the Bell Telephone System

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Publisher: Bell System (1965)


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The telephone system of the British post office. A practical handbook

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Bell Telephone System 2ND Edition

Bell telephone system technical publications

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The telephone system of the British post office: A practical handbook

Bell telephone system technical publications

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Bell Telephone System Technical Publications.

Telephony. A Detailed Exposition of the Telephone System of the British Post Office. Volume II. Automatic Telephony.

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