Scientific Dialogues Intended for the Instruction and Entertainment of Young People: In which the First Principles of Natural and Experimental Philosophy are Fully Explained

Jeremiah Joyce

E. Parker, 1838 - Physical sciences - 362 pages

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Selected pages

Of Matter Of the Divisibility of Matter	3

Of the Attraction of Cohesion IV Of the Attraction of Cohesion	7

PNEUMATICS	8

Of the Attraction of Gravitation VI Of the Attraction of Gravitation VII Of the Attraction of Gravitation VIII Оf the Attraction of Gravitation	10

Of the Centre of Gravity X Of the Centre of Gravity	22

Of the Laws of Motion XII Of the Laws of Motion XIII Of the Laws of Motion	24

Of the Mechanical Powers	33

Of the Lever XVI Of the Lever	35

Of the Weight and Pressure of Fluids	121

Of the Lateral Pressure of Fluids	124

Of the Hydrostatic Paradox	129

Of the Pressure of Fluids against the Sides of Vessels	131

Of the Motion of Fluids	135

Of the motion of Fluids	137

67	138

Of the Specific Gravity of Bodies	140

Of the Wheel and Axis	40

Of the Pulley	43

XIX Of the Inclined Plane	45

Of the Wedge	47

Of the Screw	48

Of the Pendulum	51

5	52

8	61

+ ASTRONOMY	62

Conversation Page XII Of the Equation of Time 83	63

Of the fixed Stars II Of the fixed Stars III Of the fixed Stars and Ecliptic IV Of the Ephemeris V Of the Solar system	65

Of the figure of the Earth	67

Of the diurnal Motion of the Earth VIII Of Day and Night	71

Of the annual Motion of the Earth	76

Of the Seasons XI Of the Seasons	77

Of Leap Year	87

Of the Moon	88

Of Eclipses	92

Of the Tides	95

Of the Harvest Moon	97

Of Mercury	100

Of Venus	102

53	104

Of Jupiter	106

Of Saturn	107

Of the Herschel Planet	108

65	110

Of the Sun	111

Of the fixed Stars	112

Introduction	114

Of the Weight and Pressure of Fluids	118

Of the Specific Gravity of Bodies	142

Of the Methods of finding the Specific Gravity of Bodies	145

Bodies	148

Bodies	150

Of the Methods of finding the Specific Gravity of Bodies	152

Of the Hydrometer	155

Of the Hydrometer and Swimming	158

Of the Syphon and Tantaluss Cup	160

XIX Of the Divers Bell	163

Of the Divers Bell	165

Of Pumps	167

Of the ForcingpumpFire engineRopepump Chainpumpand Waterpress	169

Of the Nature of	173

Of the Weight of	184

Of the Compression of	191

Of the Echo	203

70	206

Of the Steamengine	213

Of the Pyrometer and Hygrometer	230

74	234

Spectacles and their Uses	275

Microscope	285

Early History of Electricity	301

Electrical Attraction and Repulsion	311

The Leyden Phial	317

Electrophorus Electrometer ThunderHlouse c	329

Medical Electricity	338

Galvanic Conductors Circles Tables Experiments	350

331	357

76	358

77	360

Other editions - View all

Scientific Dialogues: Intended for the Instruction and ..., Volume 1
Jeremiah Joyce
Full view - 1825

Scientific Dialogues: Intended for the Instruction and ..., Volume 1
Jeremiah Joyce
Full view - 1829

Popular passages

Page 239 - Tunes her nocturnal note: thus with the year Seasons return, but not to me returns Day, or the sweet approach of even or morn, Or sight of vernal bloom, or summer's rose, Or flocks, or herds, or human face divine; But cloud instead, and ever-during dark Surrounds me...

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Page 219 - ... 1 . The rising of the mercury presages, in general, fair weather, and its falling foul •weather, as rain, snow, high winds, and storms.

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Page 331 - I might use twenty instead of three) is a solution of salt and water. Into each, except the two outer ones, is plunged a small plate of zinc, and another of silver. These plates are made to communicate with each other, by means of a thin wire, fastened so that the silver of the first glass is connected with the zinc of...

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Page 26 - We now come to the second law of motion, which is ; — " that the change of motion is proportional to the force impressed, and in the direction of that force.

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Page 82 - T find the sun vertical again to the equator, and, of course, the days and nights are again equal. And following the earth in its journey to December, or when it has arrived at Cancer, the sun appears in Capricorn, and...

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Page 88 - 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...

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Page 152 - Hence he inferred that, though of equal weight, the bulk of the silver was greater than that of the gold, and that the quantity of water displaced was, in each experiment, equal to the bulk of the metal. He next made...

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Page 244 - ... 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 100 - By observation ; for by attentively watching the progress of these bodies, it is found that they are continually changing their places among the fixed stars, and that they are never seen in opposition to the sun, that is, they are never seen in the western side of the heavens in the morning when he appears in the east ; nor in the eastern part of the heavens in the evening when the sun appears in the west.

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Page 161 - We know now that the underlying principle is the same as in a mercurial barometer : it is the pressure of the atmosphere on the surface of the water in the well that pushes the water up into the pump.

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Bibliographic information

QR code for Scientific Dialogues Intended for the Instruction and Entertainment of Young People

Title	Scientific Dialogues Intended for the Instruction and Entertainment of Young People: In which the First Principles of Natural and Experimental Philosophy are Fully Explained
Author	Jeremiah Joyce
Publisher	E. Parker, 1838
Original from	the University of Michigan
Digitized	9 Aug 2006
Length	362 pages

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