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Telephone and telegraph engineer's pocketbook; a handy reference book for all persons interested in telephone and telegraph systems, location of faults, electricity, magnetism, electrical measurements, and batteries. 1. ed.

Telephone and telegraph engineer's pocketbook; a handy reference book for all persons interested in telephone and telegraph systems, location of faults, electricity, magnetism, electrical measurements, and batteries. 1. ed.
Paper図書
International Textbook Co.1908.<164-177>
National Diet Library
  • Subject HeadingTelegraph -- Amateurs' manuals. Telephone -- Operators' manuals.

Practical information for telephonists, by T. D. Lockwood.

Practical information for telephonists, by T. D. Lockwood.
Paper図書
W. J. Johnston1887.<90-100>
National Diet Library
  • Subject HeadingTelephone -- Operators' manuals.

Practical information for telephonists

Practical information for telephonists
Digital図書
by T.D. LockwoodW. J. Johnston1882
Other Libraries in Japan

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