## The mechanic's, machinist's, and engineer's practical book of reference: containing tables and formulae for use in superficial and solid mensuration etc. Adapted to and for the use of all classes of practical mechanics. Together with the engineer's field book |

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### Contents

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### Other editions - View all

The Mechanic's, Machinist's, and Engineer's Practical Book of Reference ... Charles Haslett No preview available - 2015 |

The Mechanic's, Machinist's, and Engineer's Practical Book of Reference ... Charles Haslett No preview available - 2017 |

### Common terms and phrases

0ube acid angle antimony applied beam beeswax bismuth Boil borax Brass breadth cast-iron cement centre chord circle circumference color Copal copper cube root cubic curvature curve cylinder decimal deflexion DEGREES Diam diameter Dissolve distance divided dovetail draw the line ealled equal Example foot force gallons given glass glue Gold heat horse power iron isinglass lamp-black lead length lever lime linseed oil Logarithm manganese Marble mastic Melt metal Multiply nitric acid oil of turpentine ounces oxide paper pearlash perpendicular piece of timber pint potash pounds Prussian blue quantity quotient rectified spirit revolutions per minute Rule sand silver solid solution spirit square inch square root steam strain strength surface TABLE tangent thickness tons triangle Varnish velocity versed sine vessel vinegar wheel wood yellow zinc

### Popular passages

Page 38 - RULE. To the sum of the areas of the two ends add the square root of their product ; multiply this sum by the perpendicular height, and \ of the product is the solid content.

Page 27 - Of four-sided figures, a square is that which has all its sides equal, and all its angles right angles.

Page 139 - Multiply the sectional area of the bottom flange in inches by the depth of the beam in inches, and divide the product by the distance between the supports also in inches; and 514 times the quotient equal the absolute strength of the beam in cwts. The strongest form in which any given quantity of matter can be disposed is that of a hollow cylinder; and it has been demonstrated that the maximum of strength is obtained in cast iron when the thickness of the annulus or ring amounts to...

Page 65 - RULE. — Divide the weight to be raised by twice the number of pulleys in the lower block ; the quotient will give the power necessary to raise the weight. EXAMPLE. — What power is required to raise 600 Ibs., when the lower block contains six pulleys ? 600 6 x 2 = 50 Iks., Ans.

Page 141 - Flexure by vertical Pressure. When a piece of timber is employed as a column or support, its tendency to yielding by compression is different according to the proportion between its length and area of its cross section ; and supposing the form that of a cylinder whose length is less- than seven or eight times its diameter, it is impossible to bend it by any force applied longitudinally, as it will be destroyed by splitting before that bending can take place; but when the length exceeds this, the...

Page 32 - NOTE. — 1. As 7 is to 22, so is the diameter to the circumference; or, as 22 is to 7, so is the circumference to the diameter.

Page 33 - The areas of circles are to each other as the squares of their diameters, or of their radii.

Page 39 - To find the solidity of a spheroid. RULE. Multiply the square of the revolving axis by the fixed axis, and by *5236, and the product will be the solidity.

Page 93 - Take 2 ounces of tripoli powdered, put it in an earthen pot, with water to cover it : then take a piece of white flannel, lay it over a piece of cork or rubber, and proceed to polish the varnish, always wetting it with the tripoli and water. It will be known when the process is finished by wiping a part of the work with a sponge, and observing whether there is a fair even gloss. When this is the case, take a bit of mutton suet and fine flour, and clean the work.

Page 29 - The side of a square is equal to the square root of half the square of its diagonal.