# The Circle of the Sciences: Mechanical philosophy

R. Griffin, 1860 - Science
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### Contents

 xiv 68 PAGE 70 Transmission of Force 81 53 92 57 99 Theory of Couples 108 79 119 82 125 Introductory 131 Motion of Bodies down Inclined 138 Bodies projected up Inclined Planes 149 Examples of Moving Forces 151 Statics an Abstract Science 161 Definitions 162 PAGE 166 Modes of Measuring Force 168 Pressures on Triangles and Rect 169 Specific Gravities of Bodies 176 Equilibrium of a Rotating Fluid 190 Unit of Time 196
 Strength of Circular Beams 281 Law of Deflection 287 Strength of a Projecting Beam 322 Strength of Differentshaped Beams 295 328 Arrangement of the Buckets 334 Comparative Power of Breastwheels 340 The Striking Apparatus of a Clock 354 Introductory Remarks 360 Formula for Calculating Power 367 Adjustment of Slides and Eccentric 409 Construction of Steamboilers 415 205 419 APPLICATIONS OF STEAMPOWER 428 Keys and Feathers 439 440 461 Rotary Motion for Slottingmachine 470 Velocity of Toothed Wheel 476 Law of decrease of Atmospheric 501 278 502 395 504

### Popular passages

Page 486 - Square Measure. 144 square inches 1 square foot, 9 square feet 1 square yard, 30J square yards 1 square rod, 40 square rods 1 rood, 4 roods 1 acre.
Page 217 - 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.
Page 416 - Multiply the square of the length of the crank in inches by 1-661, and then multiply the square of the diameter of the cylinder in inches by...
Page 16 - Impenetrability is that property of matter which prevents two bodies from occupying the same space at the same time.
Page 13 - Is not this Medium much rarer within the dense Bodies of the Sun, Stars, Planets and Comets, than in the empty celestial Spaces between them? And in passing from them to great distances, doth it not grow denser and denser perpetually, and thereby cause the gravity of those great Bodies towards one another, and of their parts towards the Bodies; every Body endeavouring to go from the denser parts of the Medium towards the rarer?
Page 487 - CUBIC MEASURE 1728 cubic inches = 1 cubic foot 27 cubic feet = 1 cubic yard...
Page 16 - nay all the known bodies in the universe together, as " far as we know, may be compounded of no greater a " portion of solid matter than might be reduced into a <' Globe of one inch only in diameter, or even less.
Page 412 - To find the piston speed of an engine, multiply the stroke in inches by the number of revolutions per minute and divide the product by 6. EXAMPLE. — An engine with a 52-inch stroke runs at a speed of 66 revolutions per minute.
Page 174 - ... which is equal to the area of the surface, and altitude equal to the depth of the centre of gravity of the surface below the surface of the fluid.
Page 39 - Majesty to inquire into the subject of weights and measures, that a cubic inch of distilled water weighed in air by brass weights at the temperature of 62 degrees of Fahrenheit's thermometer, the barometer being at 30 inches, is equal to 252 grains, and 456 thousandth parts of a grain...