INDEX TO THE EPITOME OF ELECTRICITY.
Reading edition
A
Æpinus’s theory of electricity, 115
Amalgam, directions for making the best kind of, 126
Apparatus, electrical, directions for using the, 68
Attraction, electrical, 21
Aurora Borealis, how to imitate the, 79
B
Balloons, inflammable air, 77
Battery electrical, and experiments with it, 28
Bells, electrified, 76
Black lead, useful for points to lightning rods, 51
Bladder, electrified, 93
Bolognian stone, artificial, to make, 127
Bottle director described, 65
C
Candle, to light a, 91
Cannon, the electrical, 96
Cards pierced by electricity, 90
Cavallo, general laws deduced by him from experiments made with electrical kites, 46
Cement, how to make, 125
Charcoal useful at the lower extremity of lightning rods, 53
Chemical theory of electricity, 111
Clay swollen by the electrical shock, 90
Colours changed by the electrical shock, 87
—— experiments on, 87, 88
Communication, electrifying by, 15
Conductors, of, 6
—— luminous, 82
Constellations, to represent the, 101
Cotton, electrified, 92
Cylinders, of, 9
—— composition for lining, 125
—— plates may be substituted for, 14
D
Dance, electrical, 75
Decomposition of water by electricity, 103
Director, bottle, description of, 65
—— use of, 67
Discharging electrometer, description and use of, 67
—— rod, luminous, 103
Du Fay’s theory of electricity, 109
E
Electric attraction and repulsion, 21
—— —— —— —— exemplified, 22, 24
—— battery and experiments with it, 28
—— eel, an account of the, 56
—— fly, described, 18
—— light, experiments with, 79
—— spark, 16
Electric spider, 25
——s, and phenomena produced by them, 2, 3, 6, 8
—— experiments with charged, 86
Electrical machine described, 9, 13
Electricity, the identity of with lightning, 40
—— how it may be applied to the best advantage, 65
—— animal, 55
—— apparatus necessary for, 64
—— atmospheric, danger of making experiments with, 42, 44
—— medical, 63
—— positive and negative, 2
—— various theories of, 108
Electrometer described, 36, 64
—— instructions for using, 37
Electrophorus described, 33
—— experiments with the, 34
Excited, what is intended by, 1
Experiments, practical rules for making, to the best advantage, 68
—— promiscuous, 94
Explosion, the lateral, 101
F
Figures made upon glass &c. by means of electricity, 97
Fountain, the electrified, 104
Fractured jar, how repaired, 70
Franklin, Dr. his experiment with a kite, 40
—— —— —— —— for illustrating his theory of thunder storms, 78
—— his theory of electricity, 116
Friction, electric, 65
G
Gibbes Dr. his theory of electricity, 113
Glass, metals forced into, by an electric explosion, 30
Gun-powder fired by an electric explosion, 30
I
Jack, the electrical, 94
Jar, electrical, fractured, how repaired, 70
K
Kite, Dr. Franklin’s experiment with a, 40
—— electrical, structure and use of the, 41
—— —— Cavallo’s directions for using the, 43
L
Lane’s discharging electrometer, 67
Leyden phial described, 26
—— —— experiments with the, 27
—— vacuum, 81
Light, electric, experiment with, 79
—— —— flashing between two metallic plates, 83
Lightning, the identity of with electricity, 40
—— rods, the structure and use of, 48, 54
—— —— improved by professor Patterson, 51
Luminous conductor, 82
—— to render various substances, 84
—— shower, 102
M
Machine, electrical, described, 9
Magic picture, 86
Magnetic needle, effect of electricity on the, 31
Medical electricity, 63
Metallic oxyds revivified, 31
Metals forced into glass by an electric explosion, 30
N
Natural state, meaning of, 2
Nollet’s Abbè, theory of electricity, 110
Non-electrics, 2, 7
O
Oxyds, metallic, revivified, 31
P
Paint, for electrical purposes, preparation of, 126
Paper stained by an electric explosion, 31
Picture, magic, 86
Pointed bodies, their influence on electricity, 17, 92
—— —— phenomena attending, 17
—— —— conclusions respecting, 21
Powder, gun, fired by electricity, 30
Prime-conductor, 12
R
Repulsion, electrical, 21
Richman, Professor, killed by atmospheric electricity, while making experiments with it, 42
Rubber, defined, 2
—— described, and directions respecting it, 10
S
Shower, luminous, 102
Snake, electrical, 102
Spark, electric, 16
—— —— applied for curing deafness &c., 66
—— —— to render the, visible in water, 84
Stream —— useful in curing diseases of the eye, 67
Syphon, the capillary, electrified, 100
T
Terms, explanation of, 1
Thermometer, effect of electricity on the, 32
Thunder-house, experiments with the, 54
Torpedo, an account of the, 58
—— artificial, to make, 60
Tube, spiral, 83
—— the self-charging, 95
V
Vacuum, what is meant by the term, 79
—— Leyden, 81
Vegetables, effect of electricity on, 61
Velocity of electricity, 15, 29
W
Water decomposed by electricity, 103
Wheels, multiplying, may be added, with advantage, to an electrical machine, 12
—— self-moving, described, 74
Wilson’s theory of electricity, 109
Wine, spirit of, fired by electricity, 89