M.

Machine, Animal is a Delicately-constructed. Art. 221, p. 1C0
does not Create. Art. 44, p. 34

Electric. Art. 86, p. 65

Arts. 138, 139, p. 98

Functions of a.

Arts. 42, 43, pp. 30-32

described by Galileo. Art. 44, p. 33
Art. 42, p. 30

merely transmutes Energy.

Machines of two kinds. Arts. 216-220, p. 157

Magnet, Attraction and Repulsion of. Art. 101, p. 75
Magnetic Effects of Current. Arts. 96, 97, p. 72
Magneto-Electricity. Arts. 144-147, p. 103
Mass, Energy Proportional to. Art. 20, p. 14-
Meyer on Theory of Conservation. Art. 194, p. 140
Tides. Art. 133, p. 94

Mechanical Energy and its Change into Heat. Cap. 2, Arts. 34-63,
pp. 23-47

Equivalent of Heat. Arts. 58-63, pp. 45-47
Instability. Arts. 213, 214, p. 155

Newton on a. Art. 189, p. 136

Metallic Precipitates. Arts. 165, 166, p. 120
Metals, soldering together of Heterogeneous.
Molecules, Activity of. Arts. 10, 11, p. 7

Art. 168, p. 122

and Atoms Defined. Arts. 68, 69, p. 51
Molecular and Atomic Force, remarks on. Arts. 72-78, p. 55
Forces, Strength of. Art. 75, p. 57

11, p. 8.

Impossible to become directly acquainted with.

Separation. Art. 110, p. 80

Motion, Air and Water in. Art. 203, p. 147

Electricity in. Art. 107, p. 88

Art. 161, p. 116

Arts. 169, 170, p. 123

Energy Independent of Direction of. Art. 31, p. 21
of Visible. Arts. 121-147, pp. 87-103

Arts. 148, 149, p. 105

Heat a Forward and Backward. Arts. 56, 57, pp. 41, 42
a species of. Arts. 49-55, pp. 38, 39

Visible. Arts. 171-173, p. 124

Energy in. Art. 113, p. 81

Motions on the Earth, Absorbed Heat in. Arts. 131, 132, p. 88
Planetary. Arts. 132-137, p. 93

Art.

N.

Native Sulphur, &c. Art. 102, p. 147

Nature, Energies of, Enumerated. Arts. 107–114, pp. 78-81
Forces and Energies of. Cap. 3, Arts. 64-107, pp. 48-78
of, Enumerated. Arts. 65-78, pp. 48-55

of Proof of Law of Conservation. Arts. 117-120, p. 83
Natural Energies chiefly from Sun. Art. 203, p. 147
and their Sources. Art. 196, p. 143

Newton on a Medium. Art. 189, p. 136
Nonconductors and Conductors. Art. 80, p. 61

0.

Opposite and Equal, Action and Reaction. Art. 12, p. 6
Organic and Inorganic Worlds. Art. 4, p. 3

Germs, Diseases caused by. Art. 5, p. 3

World, the. Arts. 7-9, p. 5

Organized Tissues subject to Decay.

Origin of the Sun's Heat. Arts. 207, 208, p. 150.

Arts. 227, 228, p. 164

Peltier's Experiment. Art. 176, p. 126

Percussion converts Energy into less useful Form. Art. 47, p. 36
what Friction and, do. Arts. 26-48, pp. 35-37

Perpetual Light Impossible. Art. 205, p. 149

Motion. Art. 193, p. 139

Pith Ball, experiments with. Art. 81, p. 62

Planetary Motions, Absorbed Heat in. Arts. 132-137, p. 93
Plants, leaves of. Arts. 179-181, p. 128

Poles, Electrical Condition of. Art. 93, p. 7

Energy of. Art. 34-37, pp. 23-26

of a Battery, the.

Position, Advantage of.

Art. 92, p. 71

Art. 37, p. 26

Art. 121, 122, p. 87

the, of Life.

Visible Energy of. Arts. 108, 109,

Precipitates, Metallic. Arts. 165, 166, p. 120

Preliminary Remarks. Art. 211, p. 154

Pressure lowers Freezing Point of Water. Art. 156, p. 110

Prince Rupert's Drops. Art. 158, p. 114

Cap. 6, Arts. 211-232, pp. 154–165

p.

79

Art. 148, p. 105

N

Art. 178, p. 128

Light and Heat. Art. 162, p. 117

Reaction and Action, Equal and Opposite. Arts. 12-16, p. 8
Relation between Velocity and Energy.
Remarks, Bacon's. Art. 185, p. 134

Arts. 25-33, pp. 16–21

on Electricity. Arts. 79, 80, p. 60
Engines. Art. 155, p. 109
Molecular and Atomic Forces.

Whewell's. Art. 186, p. 134

Repulsion and Attraction of Currents.

of Magnets. Art. 101, p. 75

Arts. 72-78, p. 55

Art. 100, p. 74

Resistance and Buoyancy of Atmosphere disregarded. Art. 30, p. 20
Rifle Ball possesses Energy. Art. 18, p. 13

Further Considered. Art. 17, p. 12
Illustration of. Arts. 13, 14, p. 9

Rise of True Conceptions regarding Work. Art. 192,

Rule for Measuring Work. Art. 24, p. 16

Rumford's Experiments. Art. 52, p. 39

S.

Scott, Sir W., on Perpetual Light. Art. 204, p. 143
Separation, Atomic or Chemical. Art. 111, p. 80

Chemical. Art. 159, p. 114

Arts. 163-170, pp. 118-123
Arts. 177, p. 127

Arts. 170-181, p. 128

Electrical. Art. 112, p. 81

Arts. 138, 139,

Art. 160, p. 115

Art. 168, p. 122

p. 98

Arts. 171, 172, p. 121

Molecular. Art. 110, p. 80

Set of Pulleys. Art. 42, p. 30

Sketch, Historical. Cap. 5, Arts. 182-210, pp. 131-152

p. 138

Soldering together of Heterogeneous Metals. Art. 168, p. 122
Sound and Heat, Analogy between. Art. 57, p. 42

Sounding and Hot Body, Analogy between.

Art. 162, p. 118

Sources of Natural Energies. Art. 196, p. 143

Square of Velocity, Energy proportional to. Art. 28, p. 19
Stable and Unstable Equilibrium. Art. 212, p. 154

Statement of Law of Conservation. Art. 115, 116, p. 82
Steam, Latent Heat of. Art. 74, p. 57

Stone, a, high up. Art. 34, p. 23

Strength of Molecular Forces. Art. 75, p. 57

Substances, List of, which develop Electricity. Art. 85, p. 64
Sulphur, Native. Art. 202, p. 147

Sun a Source of High Temperature Heat. Art. 204, p. 148
Sun Heat, Origin of the. Arts. 207, 208, p. 150

Natural Energies chiefly from. Art. 243, p. 147
no exception. Art. 206, p. 150
Ultimate dependence of Life on the.
Survey of Organic and Inorganic Worlds.

T.

Arts. 250-252, p. 165
Art. 4, p. 3

Art. 202, p. 147

Tait, Professor, on Native Sulphur, &c.
Temperature of Disassociation. Art. 159, p. 115

Theory, the, of Conversation. Art. 194, p. 140
Thermo-Electricity. Art. 161, p. 110

Thermopile, the. Art. 161, p. 117

Thompson, Sir William, and Helmholtz, theory of Sun's Heat. Art. 207,

p. 151

on lowering Freezing Point of Water by Pressure,

Art. 156, pp. 110, 111

Size of Molecules. Art. 8, p. 6

Tidal Energy. Art. 201, p. 146

Tissues, Organised, are subject to Decay. Arts. 227, 228, p. 164
Tourmalines, &c., Heated. Art. 160, p. 115

Transmutation of Energy. Cap. 4, Arts. 121-181, pp. 87-128
Visible Energy. Arts. 38-41, pp. 27, 28
True Conceptions, Rise of, regarding Work. Art. 192, p. 138
Functions of a Machine defined by Galileo. Art. 44, p. 33
Two Forms of Absorbed Heat. Arts. 149-162, pp. 105–118
Kinds of Electricity. Art. 81, p. 62

always developed together. Art. 82, p. 63
Machines. Arts. 216-220, p. 157

Twofold Nature of Equilibrium. Art. 212, p. 154

U.

the Sun. Arts. 230-232, p. 165
Arts. 209, 210, p. 152

Ultimate Dependence of Life on
Universe, probable Fate of the.
Unstable and Stable Equilibrium. Art. 212, p. 154

V.

Value of Heat Unit. Art. 62, P. 46

Varieties, other, of Energy. Art. 63, p. 47

Velocities, principles of Virtual. Arts. 44, 45, pp. 33, 34

Art. 191, p. 137

Velocity and Energy, relation between. Arts. 25-33, pp. 16-21
Definition of. Art. 25, p. 16

Energy not simply proportional to. Arts. 21, 22, p. 14
in Inclined Plane. Arts. 40, 41, p. 28

Square of Energy proportionate to. Art. 28, p. 19

Virtual Velocities, principles of. Arts. 44, 45, pp. 33, 34
Art. 191, p. 137

Visible Energy, Transmutation of. Arts. 38-41, pp. 27, 28
of Position. Arts. 108, 109, p. 79

Art. 148, p. 105

Visible Motion. Arts. 171-173, p. 124

Energy of.

Art. 107, p. 78

Arts. 121-147, pp. 87-103

Arts. 148, 149, p. 105

Voltaic Battery, the. Arts. 169, 170, p. 123

Freezing Point of. Arts. 118, 119, p. 85

lowered by Pressure. Art. 156, p. 110

Latent Heat of. Art. 74, p. 56

Watts' improvements in Steam Engine. Art. 192, p. 138
What Friction and Percussion do. Arts. 46-48, pp. 35-37
is Energy? Cap. 1, Art. 1. p. 1
Whewell's Remarks. Art. 186, p. 134
Whole of Heated Substance not in Motion.
Wild's Machines for obtaining Electricity.
Wood. Art. 197, p. 143

Work, Definition of. Art. 23, p. 15

How to Measure. Art. 23, p. 15

Art. 56, p. 45

Arts. 141, 145, pp. 103, 104

Rise of True Conceptions concerning.
Rule for Measuring. Art. 24, p. 16

Art. 192, p. 133

Working Heat Engine, Law of. Art. 150-182, p. 106