INDEX.
Reading edition
A
Acid, Chromic, 189.
" Sulphuric, 212.
Air pump, Geissler, 142.
" " Simple, 141.
" " Sprengel, 143.
" blast, 76.
" wire, 262.
Amalgamation, 180.
Assembly of coil, 22.
Attraction, Window, 154, 163.
Automobile coil, 40.
Automatic burners, 170.
Automatic burners, Adjustment, 176.
B
Ballistic galvanometer, 99.
Barium platino cyanide, 238.
Base for coil, 30.
Bath coil, 61.
Battery, Bichromate, 180.
" Champion, 179.
" Daniell, 191.
" Dun, 187.
" Edison-Lalande, 195.
" Fuller, 184.
" Gas-lighting, 179.
" Gethins, 193.
" Gordon, 194.
" Gravity, 191.
" Grenet, 180.
" Harrison, 219.
" Monarch, 179.
" Morisot, 188.
" Novelty, 182.
" Open circuit, 178.
" Polarization, 179.
" Samson, 179.
" solutions, 185, 188, 189.
" Standard dry, 196.
" Storage, 200.
" Storage, to charge, 208.
" Storage, to make, 101.
" Storage, to seal, 215.
" U. S. storage, 218.
Beeswax, 95.
Brush, Electric, 128.
C
Capacity of condenser, 100.
Carbons for battery, 182.
Cements, 97.
Charging condenser, 110.
Chromic acid, 189.
Closed magnetic circuit, 6.
Coherer, Aluminium, 251.
" Branly, 254.
" Carbon, 256.
" Steel ball, 258.
Coil, Failure to work, 49.
" for gas engine, 37.
" general remarks, 42.
" in series, 32.
" Medical, 51.
" Oil immersed, 33.
" Output of, 46.
" Primary, 7.
" Resistance, 40.
" Secondary, 10.
" Table of dimensions, 50.
" Tesla, 35.
" Testing, 44.
" To select, 46.
" Winding, 20.
Condensers, Aluminium, 115.
" Adjustable, 117.
" Charging, 110.
" capacity, 100, 119.
" Discharge of, 225.
" Glass, 101.
" Mica, 108.
" Oil, 116.
" Paper, 105, 107.
" Rolled up, 115.
" Series, 108.
Cone vibrator, 88.
Contact breaker, 26.
" " Adjustable medical, 85.
" " Adjustable cone, 88.
" " Dessauer, 80.
" " Electrolytic, 77.
" " Highspeed, 69.
" " in vacuo, 81.
" " Polechanging, 73.
" " Queen, 83.
" " Queen, large form, 84.
" " Steel ribbon, 80.
Contacts, Care of, 90.
Core, 4.
" Iron filing, 46.
Crookes tube, 241.
D
Dessauer contact breaker, 80.
Dielectric, 104.
Discharger, 26.
Dry cell, 196.
Dun cell, 187.
E
Eddy currents, 6.
Edison-Lalande cell, 195.
Electric sand, 189.
Electrode, 190.
Electrolyte, 213.
Electrolytic interrupter, 77.
Ends for coil, 25.
Extra current, 3.
F
Farad, 100.
Fluoroscope, 239.
Fluorescence, 137.
Foucault currents, 6.
Frauenhofer lines, 135.
Frontispiece, Notes on, 42, 47.
G
Galvanometer, 99.
Gas burners, 170.
" engine coil, 39.
" from water, 44.
" lighting, 164.
Gassiot star, 153.
Geissler tube, 159.
Glass, To pierce, 130.
Gordon battery, 194.
H
Harrison cell, 219.
Hertz resonator, 226.
Hydrometer, 211.
Hysteresis, 6.
I
Induction, 1.
" Self, 8.
Insulations, 97.
L
Leyden jars, 99.
Lighting gas, 164.
M
Magnetic circuit, Closed, 6.
Medical coils, 51.
" " Care of, 62.
Mercury contact breaker, 71.
Mica condenser, 61.
N
Noise of contact breaker, 63.
O
Oil, Capacity of, 119.
" Coil immersion, 33.
" for oscillator, 260.
" Linseed, 93.
" Resin, 96.
" Spark through, 95.
Oscillator, 258.
" Clarkes, 259.
" Triple, 259.
Output of coil, 46.
P
Paper condenser, 107.
Paraffin, 94.
Phosphorus tube, 239.
Photography, X-Ray, 245.
Pocket coil, 89.
Polarity tests, 45.
Pole, 190.
Polechanging switch, 32.
Polechanging contact breaker, 73.
Primary coil, 7.
Q
Queen contact breaker, 83.
" Crookes tube, 241.
R
Radiography, 245.
Reel ends, 25.
Resistance coils, 40.
Resonance, Electric, 226.
Resonator, Hertz, 226.
Rheotome, 2.
Roentgen Ray apparatus, 236.
Rotating wheel, 154.
S
Series, Coils in, 32.
Selection of coil, 46.
Shellac, 96.
Signs, Battery, 190.
Soda, Bichromate of, 183.
Spark, Electric, 120.
" Choice of, 47.
Spectroscope, 132.
Spectrum, Solar, 132.
Standard dry cell, 196.
Sulphating, 215.
Switch, Polechanging, 32.
T
Table of cost, 191.
Tesla coil, 35.
" " disruptive, 36.
Testing polarity, 46.
Transformer, 5.
Tube, Insulating, 9.
U
U. S. storage cell, 218.
V
Vacuum, Adjusting, 242.
" Choice of, 243.
" Contact breaker, 81.
" To procure, 141.
" pumps, 140.
W
Water, Decomposition of, 44.
Wax, 95.
Wehnelt interrupter, 77.
Wheel, Rotating, 154.
Winder, Coil, 16.
Winding coils, 20.
" Secondary, 10, 14.
" Sectional, 11.
Wire for secondary coil, 24.
" " primary coil, 9.
Wires, Air, 262.
Wireless telegraphy, 248.
Wireless telegraphy circuit, 250.
X
X-Ray apparatus, 236.
" Remarks, 243.
" photographs, 246.