the practical draughtsman's book of industrial design, and machinist's and engineer's drawing companion: forming a completed course of mechanical, engineering, and architectural drawing.
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adjusted application axis base boiler cast-iron centimetres centre circular circumference column cone conical surface consequently construction corresponding cubic cubic metres curve cylinder decimetres describe determined diameter dimensions disc discharge distance divided draw drawn edge elevation ellipse engine epicycloid equal feet gear generatrix given height horizontal plane horizontal projection horse power inches inclined intersection joint kilog length lever litres luminous ray machine manner metres millimetres motion number of teeth object oblique projections obtained outline parallel passing perpendicular perspective piece pinion piston pitch circle plane of projection Plate portion pressure pulley radii radius ray of light represented revolutions per minute screw shadow cast shaft side sphere spindle spur-wheel square steam stones straight line stroke supposed surface surface of revolution tangent thickness tion tooth transverse Tuscan order upper valve velocity vertical plane vertical projection wheel whilst width
Page 196 - But every man who rises above the common level has received two educations : the first from his teachers ; the second, more personal and important, from himself.
Page 95 - THE FALL OF BODIES. 258. When bodies fall freely of their own weight, the velocities which they acquire are proportionate to the time during which they have fallen, whilst the spaces passed through are as the squares of the times. It has been ascertained by experiment that a body falling freely from a state of rest, passes through a distance of 16 feet and a small fraction, in the first second of time. At the end of this time it has a velocity equal to twice this distance per second. From this it...
Page 8 - An ACUTE ANGLE is one which is less than a right angle ; as the angle DEF.
Page 91 - These are usually accounted six in number, viz. the Lever, the Wheel and Axle, the Pulley, the Inclined Plane, the Wedge, and the Screw.
Page 24 - A spheric segment is any part of a sphere cut off by a plane, and may be considered as a solid of revolution generated by the revolution of a plane segment about its centre line. The plane surface is the base of the segment. When the plane passes through the centre of the sphere, two equal segments are obtained, termed hemispheres. A segmental annulus is a solid generated by the revolution of a plane segment, D' B
Page 147 - ... tubes, instead of curving it on one side as usual, and the pipe being made of one-eighth inch copper, the heat from the tubes was rapidly communicated through it, and the steam became much heated. In the experiments with the Great Britain engine, it had been found that there was considerably less difference between the pressure of the steam in the boiler and that in the cylinder, than was the case in other engines where the steam did not get so much heated ; and Mr. Gooch had found in repeated...