Telephony; a comprehensive and detailed exposition of the theory and practice of the telephone art

Telephony; a comprehensive and detailed exposition of the theory and practice of the telephone art

English

Telephony; a comprehensive and detailed exposition of the theory and practice of the telephone art

Ill.) American School (Chicago Samuel G McMeen Kempster B. (Kempster Blanchard) Miller

xi, [1] 948 p. incl. illus., plates. 25cm. O. $4.00

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