Scientific dialogues, with corrections by O. Gregory

Jeremiah Joyce

1846

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MECHANICS Conversation 1 Introduction	1

Page	2

Of Matter Of the Divisibility of Matter	3

Of the Attraction of Cohesion	6

Of the Attraction of Cohesion	9

Of the Attraction of Gravitation	11

Of the Attraction of Gravitation	13

Of the Attraction of Gravitation	15

Of the Elasticity of	211

Of the Compression of	215

Miscellaneous Experiments on the AirPump	218

Of the AirGun and Sound	221

Of Sound	223

Of the Speaking Trumpet	227

Of the Echo XIV Of the Echo	230

Of the Winds	236

Of the Attraction of Gravitation	18

Of the Centre of Gravity	21

Of the Centre of Gravity	23

On the Laws of Motion	25

On the Laws of Motion	30

On the Laws of Motion	32

On the Mechanical Powers	35

Of the Lever	38

Of the Lever 41	41

Of the Wheel and Axle	44

Of the Pulley 47	47

Of the Inclined Plane	50

Of the Wedge	52

Of the Screw	54

Of the Pendulum	58

Of the Fixed Stars II Of the Fixed Stars	60

Of the Fixed Stars and Ecliptic	64

Of the Ephemeris	67

Of the Solar System	71

Of the Figure of the Earth	74

Of the Diurnal Motion of the Earth VIII Of Day and Night IX Of the Annual Motion of the Earth x Of the Seasons 60 62 64 67 71 74	78

Of the Seasons	86

Of Leapyear and the Old and New Styles	96

Of the Moon 92 96	98

Of Eclipses	102

Of the Tides	105

Of the Harvest Moon	109

Of Mercury	112

Of Venus	113

Of Mars	116

Of Jupiter	118

Of Saturn XXIII Of Herschel XXIV Of Comets xxv Of the Sun XXVI Of the Fixed Stars 102	120

Introduction	131

Of the Weight and Pressure of Fluids III Of the Weight and Pressure of Fluids	135

Of the Lateral Pressure of Fluids	142

Of the Hydrostatic Paradox	144

Of the Hydrostatic Bellows	147

Of the Pressure of Fluids against the Sides of Vessels	150

Of the Motion of Fluids IX Of the Motion of Fluids x Of the Specific Gravities of Bodies XI Of the Specific Gravities of Bodies	152

Of the Methods of finding the Specific Gravity of Bodies	163

Of the Methods of finding the Specific Gravities of Bodies	166

Of the Methods of obtaining the Specific Gravity of Bodies	169

Of the Method of obtaining the Specific Gravity of Bodies	171

Of the Hydrometer	174

Of the Hydrometer and Swimming	177

Of the Syphon	180

Of the Diving Bell xx Of the Diving Bell XXI Of Pumps	184

Of the ForcingPump FireEngine RopePump Chain Pump and Hydraulic Press	191

Of the Nature of	195

Of the AirPump	197

Of the Torricellian Experiment	201

Of the Pressure of the Air v Of the Pressure of the	203

Of the Weight of	209

Of the SteamEngine XVII Of the SteamEngine	240

Of the SteamEngine and Papins Digester	246

135	261

Of the Pyrometer and Hygrometer	262

APPENDIX TO PNEUMATICS	269

Of the Refraction of Light	277

Definitionsof the different kinds of Lensesof	283

Of the Nature and Advantages of Lightof the separa	290

Of Concave Mirrorstheir useshow they	298

Of Convex Reflectionof Optical Delusionsof Anamor	304

Conversation Page XVI Of the Eye and Manner of Vision	309

Of Spectacles and of their uses	312

Of the Rainbow	314

Of the Refracting Telescope	318

Of Reflecting Telescopes	322

Of the Microscopeits Principleof the Single Micro scope of the Compound Microscopeof the Solar Microscope	325

Of the Camera Obscura Magic Lantern and Multiplying Glass c	330

On Double Refraction and Polarization of Light	334

Of the MagnetIts PropertiesUseful to Mariners and othersIron rendered MagneticProperties of the Magnet	340

Magnetic Attraction and Repulsion	341

The Method of making MagnetsOf the Mariners Compass	344

Of the Variation of the Compass	347

On Diamagnetics and the Magnetization of Light	350

The Early History of Electricity	352

Of Electric Attraction and RepulsionOf Electrics and Conductors	354

Of the Electrical Machine	357

Of the Electrical Machine	359

Of Electrical Attraction and Repulsion	362

Of Electrical Attraction and Repulsion	366

Of the Leyden Phial or Jar	368

Of the Leyden JarLanes Discharging Electrometer and the Electrical Battery	372

Experiments made with the Electrical Battery	374

Of the Electric Spark and Miscellaneous Experiments	378

Conversation Page XI Miscellaneous ExperimentsOf the EletrophorusOf the Electrometer and the Thunder House	381

On Induction	383

Of Atmospherical Electricity	385

On Atmospheric ElectricityOf the Aurora Borealis Of Waterspouts and Whirlwinds	388

Medical Electricity	393

XVI Of Animal Electricity of the Torpedo of the Gymnotus Electricus and of the Silurus Electricus	396

General Summary of Electricity with Experiments	398

VOLTAIC ELECTRICITY 1 Of Galvanismits OriginExperimentsOf the Decom position of Water	402

Galvanic Light and ShocksVoltaism	404

Voltaic ConductorsCirclesTablesExperiments	407

Miscellaneous Experiments	414

On ElectroMagnetism	418

MagnetoElectricityThermoElectricity	422

221	425

224	426

230	428

138	429

117	430

246	434

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Scientific dialogues, with corrections by O. Gregory
Jeremiah Joyce
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Scientific dialogues, with corrections by O. Gregory
Jeremiah Joyce
Full view - 1853

Scientific Dialogues, with Corrections by O. Gregory
Jeremiah Joyce
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Page 298 - ... as the angle of reflection is always equal to the angle of incidence, the image for any point can be seen only in the reflected ray prolonged.

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Page 260 - ... will slide on towards the narrow end, less or more, according to the degree of heat to which it has been exposed*. Each degree of Mr. Wedgewood's thermometer answers to 130 degrees of Fahrenheit, and he begins his scale from red heat fully visible in daylight, which he finds to be equal to 1077� of Fahrenheit's scale, if it could be carried so high.

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Bibliographic information

Title	Scientific dialogues, with corrections by O. Gregory
Author	Jeremiah Joyce
Editors	Olinthus Gilbert Gregory, Charles Vincent Walker
Published	1846
Original from	Oxford University
Digitized	Oct 11, 2006

Export Citation	BiBTeX EndNote RefMan

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Scientific dialogues, with corrections by O. Gregory

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