. A-B-C of electricity. BY WILLIAM H. MEADOWCROFT HARPER & BROTHERS PUBLISHERSNEW YORK & LONDON % ^ A-B-C of Electricity COPYRIGHT. 1888. 1909, BY WILLIAM H. MEADOWCROFT COPYRIGHT. 1915, BY HARPER a BROTHERS PRINTED IN THE UNITED STATES OF AMERICA PUBLISHED MAY. 1915 E-P $6t S± MAY 22 1915 From the Laboratory of Thomas A. Edison Orange, N. J. Mr. W. H. Meadowcroft, New York City. DEAR SIR : I have read the MS. of your A-B-C ofElectricity and find that the statements you havemade therein are correct. Your treatment of thesubject, and arrangement of the matter, have im-pressed me favorably. Your


. A-B-C of electricity. BY WILLIAM H. MEADOWCROFT HARPER & BROTHERS PUBLISHERSNEW YORK & LONDON % ^ A-B-C of Electricity COPYRIGHT. 1888. 1909, BY WILLIAM H. MEADOWCROFT COPYRIGHT. 1915, BY HARPER a BROTHERS PRINTED IN THE UNITED STATES OF AMERICA PUBLISHED MAY. 1915 E-P $6t S± MAY 22 1915 From the Laboratory of Thomas A. Edison Orange, N. J. Mr. W. H. Meadowcroft, New York City. DEAR SIR : I have read the MS. of your A-B-C ofElectricity and find that the statements you havemade therein are correct. Your treatment of thesubject, and arrangement of the matter, have im-pressed me favorably. Yours truly, THOS. A. EDISON CONTENTS CHAP. PAGE Introduction to New Edition xi Preface xiii I 1 II. Definitions 3 III. f Magnetism 16 IV. The Telegraph 23 V. Wireless Telegraphy 33 VI. The Telephone 40 VII. Electric Light 54 VIII. Electric Power 87 IX. Batteries 95 X. Conclusion 127 INTRODUCTIONTO NEW EDITION THE favor with which this book hasbeen received has brought about thepreparation of this new edition. The


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Keywords: ., bookcentury1900, bookdecade1910, booksubjectelectri, bookyear1915