INDEX
- Absorption of light, [148]
- Æther, the, [24]
- Æther waves, [96], [131], [133], [137], [146], [148], [163]
- Alpha rays from radium, [190]
- Alternating electric current, [121]
- Amber electrified, [32], [34] to [37], [201]
- Artificial light, [140], [142]
- Atoms breaking up, [188], [190]
- Atoms co-operating with electrons, [108], [123]
- Atom's internal energy, [187], [191]
- Atoms of matter, [52], [54], [78], [128], [180], [184]
- Attraction between atoms, [180]
- Attraction, electrical, [35], [202]
- Attraction, magnetic, [78], [205]
- Aurora, [132]
- Automatic telegraph transmitter, [91]
- Battery, electric, [70], [203]
- Beginning of the world, [53]
- Beta rays from radium, [189]
- Birth of the moon, [52], [54]
- Bricks of the universe, [180], [195]
- Chemical affinity, [206]
- Chemical combinations, [56], [182]
- Chemistry of the stars, [52], [55], [144], [153]
- Chlorine atoms, [56], [182]
- Cloud formation, [56]
- Circuit, earth, [72]
- Coherer, tube, [98]
- Cohesive force, [183]
- Colour, [136]
- Compass needle, [77]
- Complete electric circuit, [71]
- Conductors, [37], [68]
- Connecting link between æther and matter, [118], [127]
- Corpuscles, [66]
- Crookes, Sir William, [205]
- Current of electricity, [68]
- Dark lines in spectrum, [154]
- Detachable electrons, [78], [181]
- Detecting imitation diamonds, [174]
- Direct electric current, [121]
- Discharge of electricity, [42]
- Discharge through a vacuum, [60]
- Discovery of electrons, [160], [206]
- Discovery of X-rays, [169]
- Dynamo, [116], [118]
- Earth circuit, [72]
- Electrical discharge, [42]
- Electricity, positive, [23], [32], [39], [52], [180]
- Electricity, negative, [23], [32], [39]
- Electric battery, [70]
- Electric current, [68], [70]
- Electric motor, [116], [122]
- Electric shock, [47]
- Electrified objects, [37], [38], [201]
- Electro-magnets, [76], [81], [83], [118], [205]
- Electrodes, [61]
- Electrocution, [49]
- Electron as a go-between, [118]
- Electron, derivation of the word, [23]
- Electron, discovery of, [160], [206]
- Electrons, [25], [32], [66], [78], [138], [162], [195]
- Energy transmission through the æther, [73], [121]
- Energy within the atom, [187], [191]
- Field, magnetic, [68], [76], [118]
- Fluorescent screen, [169], [206]
- Galvani's discovery, [202]
- Gamma rays from radium, [189]
- Gilbert's discovery, [201]
- Glass, electrified, [37], [38]
- Glass prism, [147], [152]
- Glow-lamp, electric, [140], [141]
- Glow-worm, [142]
- Heat, radiant, [126], [131], [133], [142]
- Helium atoms, [188], [190]
- Hydrogen atoms, [55], [182]
- Insulators (non-conductors), [37], [47]
- Iron atoms, [77]
- Iron wires discarded, [88]
- Lamp, electric, [140]
- Leyden jar, [42], [202]
- Light, [23], [60], [64], [133]
- Light absorbed, [148]
- Light, artificial, [140], [142]
- Light, reflected, [148]
- Lightning, [42], [48]
- Lines in the spectrum, [152], [154], [160], [162]
- Lorentz's declaration, [206]
- Magnetic attraction, [78], [205]
- Magnetic field, [68], [76], [118]
- Magnetic repulsion, [205]
- Magnetism, [73], [76], [203], [204]
- Magnetism and electricity, [73]
- Magnets, electro-, [76], [81], [83], [205]
- Magnets, permanent, [83]
- Mariner's compass, [77]
- Matter, [52], [54]
- Metal electrified, [37], [38]
- Molecules of matter, [181], [183]
- Moon's birth, [52], [54]
- Morse telegraph, [88]
- Motion in line of sight, [162]
- Motor, electric, [116], [122]
- Negative electricity, [23], [32], [39]
- Oersted's discovery, [204]
- Oxygen atoms, [182]
- Permanent magnets, [82]
- Positive electricity, [23], [32], [39], [52], [180]
- Prism of glass, [147], [152]
- Radiant heat, [131], [133], [142]
- Radiant matter, [63], [205]
- Radium, [188]
- Rainbow, [147]
- Rays from radium, [189], [190]
- Reflection of light, [148]
- Repulsion, electrical, [202]
- Repulsion, magnetic, [205]
- Roentgen rays, [167]
- Roentgen's discovery, [168], [206]
- Sea, cause of saltness, [56]
- Shock, electric, [47]
- Silk, electrified, [38]
- Sodium atoms, [56], [182]
- Spark, electric, [44]
- Spectroscope, [152], [154], [207]
- Spectrum, [144], [147], [152], [154]
- Speed of electrons in conductor, [70]
- Stars approaching the earth, [162]
- Stars, constituents of the, [52], [55], [146]
- Stoney, Dr. Johnstone, [206]
- Sun, constituents of the, [154]
- Sun's heat, [128], [131]
- Telegraph signals, [90]
- Telegraphy, wireless, [95]
- Telephone, [109]
- Telephony, wireless, [110]
- Temperature, [180]
- Tramway, electric, [117], [118], [122]
- Transparent substances, [149]
- Vacuum tubes, [60], [61], [132], [205]
- Velocity of electrons, [70]
- Volta's discovery, [203]
- Waves in the æther, [96], [133], [137], [146], [148], [163]
- Wireless messages from the stars, [162]
- Wireless telegraphy, [95]
- Wireless telephony, [110]
- X-rays, [166], [206]
- X-rays from radium, [189]
- X-ray photography, [173]
- Zeeman proves existence of electrons, [161], [206]
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Transcriber's Note
The following changes have been made to the original text:
- [Page xi]: "always necessary, How" changed to "always necessary. How"
- [Page 205]: "vacuum tubes, When" changed to "vacuum tubes. When"
- [Page 214]: "Negative electricity, 23, 32, 9" changed to "Negative electricity, 23, 32, 39"