Scientific dialogues, with corrections by O. Gregory

Jeremiah Joyce

1846

Preview this book »

Selected pages

MECHANICS Conversation Page 1 Introduction	1

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

ASTRONOMY	17

Conversation Page VII Of the Pressure of Fluids against the Sides of Vessels	150

Of the Motion of Fluids	152

Of the Motion of Fluids	155

Of the Specific Gravities of Bodies	158

Of the Specific Gravities of Bodies	160

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 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

Of the Wheel and Axle	44

Of the Pulley	47

Of the Inclined Plane	50

Of the Wedge	52

Of the Screw	54

Of the Pendulum	58

Conversation Page 1 Of the Fixed Stars	60

Of the Fixed Stars	62

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	78

Of Day and Night	81

Of the Annual Motion of the Earth	84

Of the Seasons	86

Of the Seasons	88

Of the Equation of Time	92

Of Leapyear and the Old and New Styles	96

Of the Moon	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	120

Of Herschel	122

Of Comets	124

Of the Sun	126

Of the Fixed Stars	127

Introduction	131

Of the Weight and Pressure of Fluids	135

Of the Weight and Pressure of Fluids	138

Of the Lateral Pressure of Fluids	142

Of the Hydrostatic Paradox	144

Of the Hydrostatic Bellows	147

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	184

Of the Diving Bell	187

Of Pumps	189

Of the ForcingPump FireEngine RopePump Chain Pump and Hydraulic Press	191

Of the Nature of Air	195

Of the AirPump	197

Of the Torricellian Experiment	201

Of the Pressure of the Air	203

Of the Pressure of the Air	205

Of the Weight of Air	209

Of the Elasticity of Air	211

Of the Compression of Air	215

Miscellaneous Experiments on the AirPump	218

Of the AirGun and Sound	221

Of Sound	224

Of the Speaking Trumpet	227

Of the Echo	230

Of the Echo	233

Of the Winds	236

Of the SteamEngine	240

Of the SteamEngine	243

Of the SteamEngine and Papins Digester	246

Conversation Page	249

Of the Pyrometer and Hygrometer	262

APPENDIX TO PNEUMATICS	269

Of the Refraction of Light	277

Of Parallel Rays of Diverging and Converging Rays	286

Of Concave Mirrorstheir uses how they act	298

Of Convex Reflection of Optical Delusions of Anamor	304

Of Spectacles and of their uses	312

Microscope	326

On Double Refraction and Polarization of Light	334

MAGNETISM	340

Of the Variation of the Compass	347

Of Electric Attraction and RepulsionOf Electrics	354

Of Electrical Attraction and Repulsion	362

Of the Leyden Phial or	368

Of the Electric Spark and Miscellaneous Experiments	378

Conversation Page	381

XVII General Summary of Electricity with Experiments	398

Galvanic Light and ShocksVoltaism	404

Miscellaneous Experiments	414

MagnetoElectricityThermoElectricity	422

Other editions - View all

Scientific dialogues, with corrections by O. Gregory
Jeremiah Joyce
Full view - 1861

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

Scientific Dialogues, with Corrections by O. Gregory
Jeremiah Joyce
No preview available - 2016

View all »

Common terms and phrases

angle appear atmosphere attraction axis ball barometer body bottom called centre of gravity colours concave conductor consequently CONVERSATION convex convex lens copper cubic foot degrees descend diameter direction distance diurnal motion earth eclipse ecliptic electricity equal equator experiment fall feet fixed stars fluid force fulcrum glass grains greater heat heavens heavier hygrometer inches inclined plane iron kind length lens less lever looking-glass machine magnet marble means mechanical power mercury metal millions of miles mirror moon move multiplied nearer object observe orbit ounces papa pass perpendicular piece pipe piston planets poles pound weight pounds pressure principle produced proportion pulleys pump quantity quicksilver rays of light reflected refraction rise round screw side silver space specific gravity square stand steam substance suppose surface tube turn valve velocity vessel weight wire

Popular passages

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.

Appears in 162 books from 1729-2007

Page 268 - ... 1. The rising of the mercury presages, in general, fair weather, and its falling foul weather, as rain, snow, high winds, and storms.

Appears in 55 books from 1730-2006

Page 113 - Annual for me, the grape, the rose renew The juice nectareous, and the balmy dew; For me, the mine a thousand treasures brings; For me, health gushes from a thousand springs; Seas roll to waft me, suns to light me rise; My foot-stool earth, my canopy the skies.

Appears in 277 books from 1777-2007

Page 97 - This alteration took place through the greater part of Europe, and the year was afterwards called the Gregorian year, or New Style. In this country, the method of reckoning, according to the New Style, was not admitted into our calendars until the year 1752, when the error amounted to nearly 11 days, which were taken from the month of September, by calling the 3d of that month the 14th.

Appears in 20 books from 1815-1939

Page 99 - Shedding sweet influence. Less bright the moon, But opposite in levell'd west was set His mirror, with full face borrowing her light From him, for other light she needed none In that aspect, and still that distance keeps Till night ; then in the east her turn she shines...

Appears in 80 books from 1776-1998

Page 106 - The attraction of the sun and moon upon the waters of the ocean. The moon being nearest to the earth, her attraction is six times greater than that of the sun. This attraction of the moon raises the waters of the ocean as they come under her influence by the motion of the earth on its axis.

Appears in 28 books from 1815-1938

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.

Appears in 16 books from 1811-2007

Page 284 - A lens is glass ground into such a form, as to collect or disperse the rays of light which pass through it. These are of different shapes, and from thence receive different names.

Appears in 38 books from 1809-1873

Page 300 - When the object is more remote from the mirror than its centre of concavity C, the image will be less than the object, and between the object and...

Appears in 14 books from 1776-1852

Page 43 - ... to his strength; which is done by so dividing the beam they pull, that the point of traction may be as much nearer to the stronger horse than to the weaker, as the strength of the former exceeds that of the latter. To this kind of lever may be reduced...

Appears in 17 books from 1808-1846

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

About Google Books - Privacy Policy - Terms of Service - Information for Publishers - Report an issue - Help - Google Home

Books