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The practical telephone handbook and guide to the telephonic exchange (1906)

Poole, Joseph · New York, Macmillan Co. · leaf 7

An illustration from The practical telephone handbook and guide to the telephonic exchange, 1906, leaf 7
ctrical Machines. 4s. 6d. net. OWEN, W. C. . Telephone Lines and Methods of Construct-ing Them. 5s. POOLE, J. . Practical Telephone Handbook. 6s. net. SALOMONS , Sir D. Management of Accumulators. 6s. net. STILL, A. . Alternating Currents and the Theory ofTransformers. 5s. TURNER & HOBART.… … THE PRACTICAL TELEPHONE HANDBOOK AND GUIDE TO THE TELEPHONIC EXCHANGE BY JOSEPH POOLE, A.M.I.E.E. Whitworth ScholarTechnical Staff, Head Office, National Telephone Co. Ltd. WITH 530 ILLUSTRATIONS FOURTH EDITION Revised and Enlarged THE MACMILLAN CO. 64 AND 66 FIFTH AVENUE, NEW YORKWHITTAKER &…

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