A-B-C of Electricity
FIRST DIRECT-CONNECTED ELECTRIC GENERATOR UNIT OF LARGE CAPACITY EVER CONSTRUCTED UP TO THE TIME IT WAS MADE BY THOMAS A. EDISON IN JUNE, 1881. CAPACITY, 1200 INCANDESCENT LAMPS OF 16 CANDLE-POWER EACH
BY WILLIAM H. MEADOWCROFT
HARPER & BROTHERS PUBLISHERS
NEW YORK & LONDON
A-B-C of Electricity
COPYRIGHT, 1888, 1909, BY WILLIAM H. MEADOWCROFT
COPYRIGHT, 1915, BY HARPER & BROTHERS PRINTED IN THE UNITED STATES OF AMERICA PUBLISHED MAY, 1915
From the Laboratory of Thomas A. Edison
Wm. H. Meadowcroft
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INTRODUCTION TO NEW EDITION
PREFACE
I
II
III
IV
V
VI
INDUCTION-COIL
HOW THE INDUCTION-COIL IS MADE
SPARKING COILS
THE VIBRATING DIAPHRAGM
THE TRANSMITTER
THE RECEIVER
THE CARBON BUTTON
HOW THE TELEPHONE WORKS
VII
THE LAMPS
ARC-LIGHTS
INCANDESCENT LAMPS
ELECTRIC-LIGHT WIRES
WIRES FOR INCANDESCENT LAMPS
SWITCHES
WIRE ON DYNAMOS
VIII
THE MOTOR
IX
PRIMARY BATTERIES
CLOSED-CIRCUIT BATTERIES
THE WORK DONE BY BATTERIES
BATTERIES FOR ELECTRIC LIGHT
CONNECTING IN MULTIPLE
MULTIPLE SERIES
THE EDISON PRIMARY BATTERY
SECONDARY, OR STORAGE, BATTERIES
TWO TYPES
THE LEAD STORAGE BATTERY
THE ALKALINE STORAGE BATTERY
CONNECTING STORAGE BATTERIES
CHARGING CURRENT
X
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