Copyright
Richard Green Parker.

A school compendium of natural and experimental philosophy : embracing the elementary principles of mechanics, hydrostatics, hydraulics, pneumatics, acoustics, pyronomics, optics, electricity, galvanism, magnetism, electro-magnetism, magneto-electricity, astronomy : containing also a description of online

. (page 37 of 38)
Online LibraryRichard Green ParkerA school compendium of natural and experimental philosophy : embracing the elementary principles of mechanics, hydrostatics, hydraulics, pneumatics, acoustics, pyronomics, optics, electricity, galvanism, magnetism, electro-magnetism, magneto-electricity, astronomy : containing also a description of → online text (page 37 of 38)
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" velocity of 37 ~

Common centre of gravity of two

or more bodies 69

Complex wheel-work 83 j

Compound battery 290

" lever 75

" motion 55

" " how produced . 54

Compressibility 27, 28, 29

Concave mirrors 222

" " effects of ... 225
Concave mirrors, laws of reflec-
tion from 227

Concave mirrors, peculiar prop-
erty of 224

Concave mirror, true focus of . . 224

" screw 94

Concave surfaces, facts with re-
gard to . 236

Condensation 140

Condensed 140

Condenser 1 ( J8

" of steam-engine . . . 200
Condensing syringe .... 156, 103
Conduction of heat . . . .190,428
Conductors of the galvanic fluid . 285

258, 260

" of heat 189

Cone 69

Conic sections 341

Conjunction, inferior and supe-
rior 349

Connecticut baker 191

Conservatory of arts and trades,
how restored to perpendicular .193

Constellations SS3

" of the zodiac . . 347

Oontractibility 28

Converging rays 212, 227

Conversation in polar regions
heard at great iistances . . . 176

Convex mirrors 222

Convex mirrors, laws of reflection
from . . 220



Convex mirrors, effects of . . 224

Convex screw 94

Conv-ex surfaces, facts with regard

to ^35

Copernicus 33 G

Copper 20

Copper and tin, sonorous proper-
ties of 30

Copper, how made brittle ... 30

Cords, tenacity of 32

Cork, how deep it will sink ... 123
" why lighter than lead . . 34

Cornea 237, 238

Corpuscular theory of light . . .211

Couronne des tasses 290

Crank, dead point of 81

Cranks 80

Crown-wheel . 84

Crust of the earth, materials com-
posing the 20

Crystalline humor, convexity, how

increased or diminished . . . 241
Crystalline humor, effect of when

too round 242

Crystalline lens 237, 435

Cup of Tantalus 133

Cups, the Magdeburgh 157

Current velocity of a, how meas-
ured 130

Curve of a projectile, on what de-
pendent 64

Curvilinear motion 61

Cutting instruments 91

Cylinder, definition of a .... 79
Cylinder, how made to roll up a

slope 68

Cylinder, wheel substituted for . 79



1).



Daguerreotype proofs 257

Darkness produced by two rays

of light 212 note

Davies' Treatise on Magnetism .316
Day and night, cause of .... 358
Days and nights, cause of differ-
ence in length of ...... 350

Dead point of a crank 81

Delisle's thermometer 149

Delphi, oracle of 180

Demetrius Poliorcetes . . . . 105

Density 27,28

Density of air, effect of gravity .

on. 38

Depth of a well, how estimated . 53
De.?caitcs H*



450



INL>EX.



Devil, the Cartesian 162

Dew and fog, difference between. 150

Dew, how produced 150

Diagonal 48

" of a parallelogram . . 55

" of a square 55

Diallage 21

Diameter 48

Diameter, equatorial, how length-
ened 61

Diameter, equatorial of the earth,

longer than polar, and why . . 61
Diameter of the earth, equatorial

IUM polar 102

Diameter of the earth, how ascer-
tained 365

Didyniuin 20

Digits 31)5

Dilatability 29

Dionysius, ear of 178

Dionysius, how he overheard his

prisoners 178

Dioptrics 230

" laws of 230

Dipping of a magnet 303

Dipping of a magnet, how reme-
died 303

Direction 41

" line of 66

Discharge, the jointed 264

Dissolving views 246

Distance at which a man is in-
visible 220

Distance, greatest which can be

estimated 382

Distances measured by veU<;ty

of sound . 177

Distillation 194

Distilled water, why used as stand-
ard of specific gravity . . . . 123

Diverging rays 212

Divers, limit to the depth of 115,426
Diving bell, or diver's bell . . . 160

Divisibility 21

" extent of 23

definition of .... 23

" Dodge," how children . . . . 26
Double action of the steam-engine 200
Drowned persons, why they sink

and afterwards rise 123

Ductility. . 27,31

Dynamics 17

" meaning of 18



R.



Earth . .



363



Earth, n good conductor of 8<mcd i'<9

" as viewed from the moon . 36-1

" attraction of the . . . . 33

" centre of gravity of . 37

Earth, consequences of a wore

rapid rotation of the 366

Earth, constituent elements of tho 20
Earth, crust of the, mate vials com-
posing . . 20

Earth, diameter of, hrw ascer-
tained 365

Earth, figure of the 364

" how known to be -ound . 364
Earth, how much larger than any

falling body 33

Earth, motions of its inhabitants 365
" nearer the sun in whiter . 352
Earth, parts of which move most

rapidly 61

Earth, strata of the 20

Earth, the principal reservoir of

electricity 261

Ebullition retarded by pre^uro

of the air 168

Echo 177

" why never heard at set. . 178

Eclipse 392

" annular 394

Eclipses, greatest number of ir \

year 396

Eclipse, lunar, to whom visible . 395
" solar, to whom visible . 395
" total of 1806 . . . . .396

Eclipses, why more of the sun
than of the moon ...... 303

Eclipse, why not at every new and

full moon 392

Eclipse, partial 394

total 394

Ecliptic 345

Egeria . 339

Ehrenberg's microscopic observa-
tions 23

Elastic fluids 139

Elasticity 27, 29, 30

of air 142

of gaseous bodies . . 30

of ivory 46

Electrical battery 264

bells 273

fire-alarm 330

machine ... ... 266

Electrical machine, experiments
with 270

1 Electrical sportsman 275
Electric current, direction of j iiuw
I ascertained . . . . :P#



INDEA.



451



Electrical tellurium 272

Electric Huid, velocity of .... 43

Electricity 17, 18, 258

Electricity acquired by induction 278
Electricity and magnetism, resem-
blance between 302

Electricitv, animal 282

" by induction .... 2GG

*' circuit of 265

Electricity as excited by galvan- .
isui and by friction, difference

between 283

Electricity by transfer 2(36

Electricity, effects of similar

states 2G3

Electricity, frictional . . . 282, 283
Electricity, frictional and chemi-
cal, how they differ 294

Electricity, galvanic, quantity of.295

" nature of 259

Electricity, quantity of excited by

chemical action .... 284 note
Electricity, simplest mode of ex-
citing 2G2

Electricity, the vitreous or posi-
tive, the resinous or negative . 2G2
Electricity, three states of ... 335

" voltaic 283

Electrics. 258, 2GO

Electric telegraph, history of the 329

Electro-magnet 317

Electro-magnet, communication
of magnetism to steel by means

of 318

Electro-magnetic multiplier . . 313
Electro-magnetism . . 17, 2GO, 308
Electo-magnet, the U or horse-
shoe 319

Electro-magnetism, definition of . 18
Electro-magnetism, discoveries of
(Ersted, Faraday, Ampere, Ara-
go, and Sir 11. Davy . . 308, 309
Electro-magnetism, facts of . . 309
Electro-magnetic induction . .312
Electro-magnetic rotation . 313, 31G
note

Electro-magnetic telegraph, sig-
nal-key and registering appa-
ratus of the 322

Electro-magnet of Prof. Henry

and Dr. Ten Eyck .... 317
Electro-magnetic telegraph . . 319
Electro-magnetic telegraph, how

put into operation 324

Electru-mutaliurgy 331

Electrometer 2G8

Wectrophoru? 2(i ( J

19*



Electro-plastic process 331

Electro plating and gilding . . . 331

Electroscope 2b9

Electrotype process 231

Elementary substances, enumera-
tion of 20

Elements, the four 19

Ellipse 341

Elocution, Barber's Grammar of . 180
" Empty," common meaning of . OS

Endosmose 27, 112

Engineer, how enabled to direct

his guns 65

Engine, the fire 154

the steam 196

Equilibrium 74, 75

" of fluids 110

Equilibrium of fluids, exemplified

by means of the siphon . . . 133
Equilibrium of fluids, now disturb-
ed by waves 131

Equilibrium of fluids of different

densities 113

Equilibrium of mercury, water,

oil, air, Ac 113

Equinoxes 358

" precession of the . . . 397
Equivalent, mechanical . . 53, 431
Erect, why objects are seen . . . 2J1

Erbium 20

Escapement-wheel 104

Essential property, meaning of . 21
Essential properties of matter . 21

Eunomia 339

Evaporation, Dr. Watson's exper-
iment 150

Eye 237, 4Vi

" a camera obscura 240

" different parts of the . . .237

Eye-glass 248

Ej r e, imperfections of, how caused 242

" of what composed 237

Eyes, two, why they do not cause

double vision 241

Exercises for solution 53

Exhausting syringe 163

Exosmose 27, 112

Expansibility 27, 29

Expansion, bow it differs from

dilatation 2?

Experiments showing inert:r. ~f

air 165

Extension 21, 23



F.

Fahrenheit's thermometer



148



452



INDEX.



Fall'.ng bodies, law of 51

Faraday, announcement of in re-
lation to solar spots and mag-
netic variation 304

Faraday's discoveries in electro-
magnetism 308

Faraday's electro-magnetic appa-
ratus 313

Faraday \ nomenclature of elec-
tricity 259

February, why 29 days every

fourth year 397

Feldspar 21

Fire-alarm, the electrical . . .330

Fire, as an element 19

Fire-engine 154

Fifth 184

" how produced 182

Figure 21, 23

Fishes, how thev swim, rise or

sink, &c 47

Fixed pulley, mechanical advan-
tage of 8V

Fixed pulley, operation of the . 87
Flavio de Melfi, inventor of mari-
ner's Ccrapass 306

Flexibility 27, 31

Float, how heavy bodies can be

made to 38

Float-boards of water-wheels . . 82

Flora .339

Florence, experiment made at on

impenetrability of water . 22, 109
Fluid and solid bodies, diiference

between 108

Fluid, definition of 108

Fluidity of air 142,105

" what constitutes ... 108

Fluid pressure, law of 115

Fluids, aeriform 138

Fluids, aeriform, expanded and

compressed without limit . . 139
Fluids and liquids, how different 109
Fluids, effects of their peculiar

gravitation 113

Fluids, equilibrium of ... 122, 133
Fluids, downward pressure of,

how shown 114

Plaids, gravitation of . . . . .110

how different from liquids 109

' how they gravitate . . .113

" lateral pressure of . 114, 116

117

Fluids level or equilibrium of .110
mechanical agency of . .138
Fluids of dine rent densities, gi av-
'uitiun of .... 1 12



Fluids, particles of, how arranged 114

" pressure of IK

Fluids, pressure of, according to

height 119,120

Fluids, pressure of, on what de-
pendent 118

Fluids, pressure of, to what pro-
portional 115

Fluids, surface of 110

Fluids, upward pressure of . 114, 117
Fluids, why unsusceptible of foim-
ation into figures . . , . . .110

Fluorine 20

Fly 143

Flying of birds, how effecsted . . 4V

Fly-wheels i|

Fly-wheels and the dead points ^f

cranks Jl

Fly-wheel in the steam-engine . *03
Focus of concave mirrors . . . 224
Fog and dew, difference between 150

Fog, how produced 150

Force 41

Forces, at an angle . ... 58
" effects of . . . . 55

*' three or more in action . 57
" unequal at right angles . 56

Forcing-pump 153

Formulae 44

Fortuna 33U

Fountain, glass and jet . . . 159

Fountain, Hero's 138

Fountains, artificial, how con-
structed 137

Fountains, how formed . . . .137

Fourth .184

Fowling-pieces, length of ... 63
Franklin, inventor of lightning-
rods 281

Free heat . 187

Frictional electricity . . . 259, 283

Friction 90 note, 98

" cause of ... c ... 99
** how diminished . . - . 99
" boAV increased ..... 99
" loss of power caused by . Us?
" important uses of ... 100
Friction of the beds and banks of

rivers 130

Friction, particles of fluids desti-
tute of ... ^ 108

Friction-wheels 99

Fuel, combustion of 24

I Fulcrum 70, 71, T'-s

** generally a pin >>r a rivet 1>J
| Fulcrum in levers of different
kinds . 71



Pxilorum of steelyard; 74

Pulton, Robert 200

Fundamental law of mechanics . 71
Fusee of a watch . . 107



Galaxy 383

Galileo 100, 143, 337

Galileo's experiment at Pisa to

prove his law of falling bodies 52
Galileo's law of falling bodies . 52
Galvanic action, three elements

necessary for 285

Galvanic batteries 287

" battery 289

circle 286

Galvanic circle, effects of, how in-
creased 287

Galvanic circle, essential parts of

a 286

Galvanic circle, simplest, of what

composed 286

Galvanic electricity 259

Galvanic electricity, process for

obtaining 286

Galvanic fluid, how excited . . 284

piles 287

Galvanism . 17,18,283

" fact? explained by . . 296
Galvano-phustie process .... 331

Galvanotype 331

GarrnentSj light-colored why cool 191
" linen, why cool . . . 189

Garments, to what they owe their

strength 100

Garments, woollen, why warm . 189

Garnet 21

Gaseous bodies, elasticity of . . 30
Gaseous bodies, to what degree

they may be dilated 29

Gases 139

Gases, how prevented from rising

from a fl'-iid 168

Gay Lussa"'s experiments on the

velocitj /f sound 176

Gearing 83

Geology 62

Georgiurv Bidas 368

Gibbous 388

Glucinuia 20

Gold 20

G Id, both ductile and malleable 31

divisibility of 23

Gclit. the most malleable of all

metals 31

m&t \ it? l.rittleuese . ... 32



Gla^x, the bladder l:<4

" the fountain anJ jet . . 169

" the hand ,158

" the India-rubber . . . 159
Glass, wh^ easily cracked whea

suddenly heated 1 M

Glass, why used in mirrors . . .221

Governor 106. 2\>0

Governor applit 1 to steam-engine

by James Watt 106, 203

Governor, explanation of the . . 106

" uses of the 106

Grain of hammered gold .... 23
Grand law of nature . ... 69 note

Granite 20

Gravitation, attraction of ... 27
of fluids ... 110,112

Gravity 25, 33

Gravity causes pressure of fluids

upward as well as down U7, 418
Gravity, centre of .... 37, 59, 66
Gravity, effect of on density of air 38
Gravity, effects of on different

bodies , U

Gravity, force of, not affected bv

projection t',4

G rarity, force of on projectiles . *'>2
" " where greatest 35
" how it increases and de-
creases 35

Gravity, law of terrestrial . . . 35
Gravity, specific ... 40, 126, 41ft
Gravity, specific, scales for ascer-
taining 126

Gravity, specific, standard of 123, 416

" terrestrial 34

Great Bear 398

Green sand 21

Gregorian telescope 2")0

Gridiron pendulums 103

(j rove's battery ........ 2iJ3

Gudgeons 8C

Guericke, Otto 158

Guinea and feather drop .... 165

Gunnery, science of 62

Gunpowder, force of 63

Gunpowder, great charges of use-
less and dangerous 63

Guns, how tested . ..... (u 1

Guns, short ones, why preferable 63

Gun, the air !*>'

ijymnotuselectricus ..... 28;

H.

Hail, how formed 124, 16V

* Low it differs from snow . lt^



154



INDEX.



Hair -spring 104

flail, Captain Basil 146

Bblley's comet as seen oy Sir

JohnHerschel 379

Hand-glass 158

Handles of tea-pots, tc. why of

wood . . 190

Hare's caloriinotor 297

Harmony 181

" how produced .... 183
Harmony, sciance of, on what

founded 182

Harvest-moon 389

Heat accompanies all great chang-
es in bodies 110

Heat, application of its expansive
power as a mechanical agent 193, 431

Heat and cold 187, 4<?8

" conductors of 189

" effects of 188, 429

" effects of on bodies . . 185, 188
Heat, effects of on density of sub-
stances " 192

Heat, effects of on water . . 186,194

Heat, free 187

first law of 189

" imperfect conductors of . 190
. its effects on a body ... 141
*' most obvious effects of . . 193

how propagated 190

" latent 187, 429

" law of the reflection of . . 191

" laws of 185

" nature of 185, 427

of the sun 188

Heat produced by electrical ac-
tion 188

Heat, sources of 187

Hearing trumpets 178

Heavenly bodies, motion of the

when the most rapid 350

Heavenly bodies, why not seen in

their true place 232

Heavens, why brigh. in the day-
time 218

Hebe 339

Height of a building, how esti-
mated 53

Height to which a body projected

upward will rise 54

Heliacal ring 318

Heliography 257

Helix 316

tlenry's and Dr. Ten JSyck's elec-
tro-magnet 317

138



Ilerschel sees stars through a

comet 37V

Ilerschel, Sir J. F. W.'B illustra-
tion of the size and distance of

the planets 344

Ilerschel, Sir John's opinion of

the height of the atmosphere . 38
Herschel's telescope and its pow-
er 251,337

Heterogeneous Ii>

Hiero employs Archimedes to de-
tect the adulteration of a crown. 127
Hind's account of the comet of

1853 381

Hipparchus, father of astronomy . 336

Homogeneous 19

Hornblende. 21

Horizontal motion docj not affect

that of gravity 65

Horse-power as applied to the

steam-engine, meaning of . . 199
Horses, how made to draw unequal

portions of a load 77

House's printing te'egraph . . . 328

Human voice, powers of the . . 180

Humor, the vitreous .... 237, 259

" the aqueous . . . .237,239

Hunter's moon 383

" screw 95

Hydraulics . . 17, 18, 108, 128, 418

Hydraulic-ram 133

Hydrodynamics 108,129

Hydro-electric . . 334

Hydrogen '20

" gas generator .... 275

" pistol 274

Hydrometer 128,417

Hydrostatic bellows, how con-
structed 119

Hydrostatic paradox 118

Hydrostatic press, Bramah's 121, 415
Hydrostatic pressure, as a me-
chanical power 121

Hydrostatic pressure, caused by

height, not by quantity . . .119
Hydrostatics ... 17, 18, 108, 412

Hygeia 339

Hygrometer 149, 150

Hyperbola 3-11

Hypcrsthene 21



I.



Ice formed under a receiver . 1C9
" Low mode to melt rapidly . . 1W1



INDEX.



455



l(e, why wrapped in woollen or i

packed in shavings 190 I

foe, why wooden spoons and forks

are used for 190

[mage from concave mirrors . . 225
" ' convex mirrors . . '223

" inverted 218

Impenetrability 21, 22

Imponderable agents .... 18

Incidence, angle of 48

Incident motion . ....... 47

Incident rays 216

Inclination of earth's axis, effects

of 354

Inclined plans 90

* " advantage of . . 91
" " application of the 91
" " principle of the . 90

Incombustible bodies 188

Indestructibility 21, 23

India rubber 30

" " balls, elasticity of . 47

" " glass 158

fndustioa, electricity by . . 266, 278

" electro-iaagnetic . .312

Inertia ...... 21, 24, 26, 41

" experiment to illustrate . 25

" of air 38, 14'3, 165

** of a fluid, effects of the . 134
" of fly-wheels ...... 81

" of water 98

Inferior conjunction 349

" planets 343

Infusoria 23

Instruments for raising water . .131
Insulated, meaning of ... 201, 270
Intensity as applied to electricity,

meaning of 295

'" In vacuo" 98

"ridium 20

Iodine 20

Irene 3-3'J

Iris of the eye . . . . . . 237,238

Iris, the planet or ast eroid . . .339

Iron 20

Iron, a knowledge of the uses of
the first step towards civiliza-
tion 31

too. ductile but not malleable

into thin plates 31

i. n\ t how made brittle 30

" oxide of 21

" when most malleable ... 31
, elasticity rf 30, 46 !



Jansen ... 33*

Jerusalem, siege of . . . . 106
Jet, the straight and revolving 163

Jointed discharger 2J1

Juno 339

Jupiter .367,368

Jupiter, a prolate spheroid, and

why 62

Jupiter's belts 368

Jupiter, satellites of 367



Kaleidoscope 22i

Kepler 337

" laws of .... 337,350,352
Kepler's opinion of the number of

comets 380

Klinkenfues . 381

Knee-joint 96



Ladder a lever . . 77

Lakes, why more difficult to swim

in 126

Lamp, defects of, how remedied .112
Lamps, why they will not burn . Ill
Lamp, wick of, bow it supplies the

flame Ill

Lantanium 20

Latent heat 187

Lathes 80

Law, Bode's .342

Law, fundamental of mechanics,
pyronomics, acoustics and op-
tics 49

Law, Mariotte's 142

" of falling bodies 51

Laws >j{ heat -185

" of reflected sound . . . . 178
Laws of reflection from concave

mirrors . 226, 227

Law of the heavenly bodies . . 340

Lead 20

" not ductile 31

" why heavy 34

Le Verrier 371

Leap-year 3!>6

Leaves of a wheel ... .84

Length 23

Lens, axis of a .... 23?



456



INDEX.



Lene, ooicavo-convex .... 233

convex as a burning-glass . 235

" double concave . . . . .233

" double convex 233

Lenses 232, 482

Lens, effect of how estimated . . 234
" focal distance of a . . . .234

Lenses in spectacles 230

Lens, single concave 233

" single convex 233

" the crystalline 237

Level, how ascertained 113

" or equilibrium of fluids . 110

Levels, spirit or water 113

Lever 93

" advantage in use of ... 73

Lever, force of the, on what de-
pendent 70

Lever, how used 72

k< kinds of 72

" many forms of the . ... 75

" of first kind 73

" of second kind 7(5

of third kind 78

perpetual, the 80

Lever, power of not dependent on
its shape 76

Lever, principle of the .... 71
" the bent 76

Lever, things to be considered in
the 72

Leyden-jar 263

" how charged .... 271

Leyden-jar, how discharged silent-
ly " .... 265

Light, aberration of 384

" absorbed by all bodies . .217

" beam ol 213

" color of .... 251, 252, 438

Light, corpuscular and undulatory
theories of 211, 431

Light, heat and chemical action
of 254

Light, how projected 213

Light, intensity of, law of de-
crease 212

Light, passing into different medi-
ums 230

Light, polarization of ..... 256

" reflected 215

" " laws of .... 216
* reflection of 211

l/ght, Sir Isaac Newton's opinion
of . . . . 211

Light, theories of 211

Light, thermal, chemical and non-

tfleotn..f ...... 2&C



Light, velocity of . . 41

" zodiacal 3GC

Lightning, how caused 278

Lightning-rods 265

" by whom invented 281
Lightning-rods, the best, how con-
structed 280

Lime 21

Lime, carbonate of 21

Linen garments, why cool . . . 189

Line of direction 66

Liquid, how it differs from a fluid 109
Liquids have a slight degree of

cohesion 109

Liquids not easily compressed . 2S/
Liquid, quantity of discharged

from an orifice 129

Lithium 20

Load-stone 298

Locomotive steam-engine . . . 208

Looking-glasses 221

Looking-glass, length of to reflect

the whole person 223

Lucifer 363

Luminous bodies 210

Lutetia 339

M.

Machine 71

Machinery, propelled by electrici-
ty 278

Machine, Attwood's 52

Machines, velocity of, how regu-
lated 106

Magazine, magnetic .307

Magdeburgh cups . . . . . ... 157

Magnesia 21

" carbonate of .... 21

Magnesium 20

Magnet, attraction and repulsion

of 300,301

Magnet, attractive power of, where

greatest 300

Magnet, broken . 302

Magnet communicates its prop-
erties 301

Magnet, dipping of a ..... 303
" effect of heat upon . . 302
Magnet, horse-shoe or U, how

armed . . . .' 308

Magnetic influence, all bodies sus-
ceptible of . 301

Magnetic magazine 307

Magnetic needle ....... 304

Magnet, keeper of a . . . 302, SOS
Magnet, 1'iMj.crtifg of . 29V



457



Magrtic poles .... . 300

" power on surface . . 302

Magnetism 1". \8, 298

Magnetism and electricity re-
semblances of 302

Magnet, modes of supporting . . 300
Magnetic poles, where strongest 304
Magnet, north and south poles of,

where most powerful .... 306
Magneto-electricity . . . . 1*,332
Magneto-electricity, most power-
ful effects of, how obtained . .332
Magneto-electric machine . . . 533

Magnet, polarity of 299

Magnet, poles of changed by elei

tricity JQ3

Magnet, powers of, how increased 30 \

" kinds of 29?

" artificial, how made. 306, 30\

" the receiving 32*

" U or horse-shoe .... 30]

" variation of . 303, 304 note

Magnitude, centre of ... 59, 66

Main-spring of a watch . . 104, 107

Major third 184

Malleability 27,31

Malleability dependent on tem-
perature . 31

Manganese 20

Marco Paolo 306

Mariner's compass 304

Mariner's compass, inventor of

the 306

Mariner's compass, needle of, how

placed 305

Mariner's compass, how mounted 305
" " points of the 305

Mariotte's law 142

Mars 366

Massila 339

Materials, strength of 95

Materials which compose the crust

of the earth 20

Materials, tenacity of 32

Matter, attractive 34

" definition of 19

" essential properties of . 21
" gaseous form of .... 19
.Matter, its different states or

forms 19

Matter, liquid form of 19

Matter, quantity of, how estimat-
ed 40

Materiality of air 162

Matter, solid form of 19

Mechanical agency of fluids . . 1 18
" equivalent 58



Mechanical operations always at-
tended by heat .188

Mechanical paradox 68

" power 70

" poAvers ...... 71

Mechanical powers, enumeration

of the ... , 9 72

Mechanical powers, on what prin-
ciple constructed 71

Mechanical powers, principal law

of the 89

Mechanical powers, reducible to

three classes 72

Mechanical properties of gases,

vapors, &G. 139

Mechanics 17,41,403

" fundamental law of . 71, 91
118

Mechanics, fundamental law of,
its application to hydrostatic

pressure 119, 413

Media 97, 229

Medium 97

Mediums 97, 229

Medium in optics 230

Melpomene 339

Meniscus 233

Mercurial pendulum 103

" tube 160

Mercury 20

" ths planet, transit of . . 363
Mercury, the planet, why not often

seen 362

Metallic points 265

Metals, good conductors of heat . 190

" names of the 20

Metals, order of their conducting

power of heat 190

Metals, tenacity cf 32

Meteoric stones . , 387



Online LibraryRichard Green ParkerA school compendium of natural and experimental philosophy : embracing the elementary principles of mechanics, hydrostatics, hydraulics, pneumatics, acoustics, pyronomics, optics, electricity, galvanism, magnetism, electro-magnetism, magneto-electricity, astronomy : containing also a description of → online text (page 37 of 38)