6Table-jack Switches
75A Wimshurst Influence Machine
7Binding-posts and Connectors
76A Large Leyden-jar
8Lightning-arresters and Fuse-blocks
77A Glass-legged Stool
9Chapter IV MAGNETS AND INDUCTION-COILS
78Chapter XIV FORMULÆ
10Simple and Horseshoe Magnets
79Acid-proof Cements
11Induction-coils
80Hard Cement
12An Electric Buzzer
81Soft Cement
13A Large Induction-coil
82Very Hard Cement
14Circuit-Interrupters
83Clark’s Compound
15Chapter V ANNUNCIATORS AND BELLS
84Battery Fluid
16A Drum Sounder
85Glass Rubbing
17An Annunciator
86Acetic Glue
18A Double Electric Bell
87Insulators
19An Electric Horn
88Non-conductors
20Burglar-alarms
89Insulating Varnish
21Signals and Alarms
90Battery Wax
22A Dining-table Call
91Chapter XV ELECTRIC LIGHT, HEAT, AND POWER
23Chapter VI CURRENT-DETECTORS AND GALVANOMETERS
92The Work of the Dynamo
24An Astatic Current-detector
93The Electric Light
25An Astatic Galvanometer
94Uses of the Arc-Light
26A Tangent Galvanometer
95Incandescent and Other Lamps
27Part II
96Electric Heat
28Chapter VII ELECTRICAL RESISTANCE
97Electric Furnaces
29Ohm’s Law
98Welding Metals
30Resistance-coils and Rheostats
99Electric Car-heaters
31Liquid Resistance
100Household Uses
32Chapter VIII THE TELEPHONE
101Electric Power
33A Bladder Telephone
102Power from Water-wheels
34A Single (Receiver) Line
103Transformers
35Plan of Installation
104Rotary Converters
36A Double-pole Receiver
105Oil-switches
37The Transmitter
106Electric Traction
38Another Form of Transmitter
107The Trolley-car
39The Wiring System
108The Continuous-current Motor
40A Telephone Induction-coil
109The Controller
41An Installation Plan
110Electric Locomotives
42A Portable Apparatus
111Other Forms of Electric Traction
43Chapter IX LINE AND WIRELESS TELEGRAPHS
112APPENDIX A DICTIONARY OF ELECTRICAL TERMS AND PHRASES
44A Ground Telegraph
113A
45Wireless Telegraphy
114B
46Chapter X DYNAMOS AND MOTORS
115C
47The Uni-direction Dynamo
116D
48A Small Dynamo
117E
49A Split-ring Dynamo
118F
50A Small Motor
119G
51The Flat-bed Motor
120H
52Another Simple Motor
121I
53A Third Type of Motor
122J
54Chapter XI GALVANISM AND ELECTRO-PLATING
123K
55Simple Electro-plating
124L
56The Cleansing Process
125M
57The Plating-bath
126N
58Silver-plating
127O
59Gold-plating
128P
60Nickel-plating
129Q
61Finishing
130R
62Electrotyping
131S
63Chapter XII MISCELLANEOUS APPARATUS
132T
64A Rotary Glass-cutter
133U
65To Smooth Glass Edges
134V
66To Cut Holes in Glass
135W
67Anti-hum Device for Metallic Lines
136X
68A Reel-car for Wire
137Y
69Insulators
138Z
