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### Contents

 NOTATION 12 CABLES 13 Measures of Surface 18 DECIMAL FRACTIONS 26 Compound Proportion 32 Alligation 80 Of Hyperboloids and Hyperbolic 86 CIRCUMFERENCES OF CIRCLES 95 Of Sluices 97
 Solids 186 Specific Gravities 192 TEETH OF WHEELS 200 Horses 220 Elastic Force Temperature foc c 208 Bricks Laths 243 Bolts 251 Fuels 259 Weights of a Cubic Foot of Various On Materials 268

 STEAM 159 To find the Cube of a Number above 173 PLANE TRIGONOMETRY 179
 1 274 MERCHANT STEAMERS with Screw 306

### Popular passages

Page 47 - The circumference of every circle is supposed to be divided into 360 equal parts, • called degrees, each degree into 60 minutes, and each minute into 60 seconds, etc.
Page 48 - Similar figures, are those that have all the angles of the one equal to all the angles of the other, each to each, and the sides about the equal angles proportional.
Page 24 - To reduce a whole number to an equivalent fraction, having a given denominator. RULE. Multiply the whole number by the given denominator, and place the product over the said denominator, and it will form the fraction required.
Page 15 - Capacity. 4 gills = 1 pint. 2 pints = 1 quart. 4 quarts = 1 gallon. 2 gallons = 1 peck. 4 pecks = 1 bushel. 8 bushels = 1 quarter. Time. 60 seconds 60 minutes 24 hours 7 days 365 days minute. hour. day. week, year. Solidity. 1728 cubic inches = 1 cubic foot 27 cubic feet = 1 cubic yard. Apothecaries
Page 37 - Fellowship is when different stocks are employed for any certain equal time. RULE.* — As the whole stock is to the whole gain or loss, so is each man's particular stock to his particular share of the gain or loss.t PROOF. — Add all the shares together, and the sum will be equal to the gain or loss, when the work is right.
Page 81 - Take the length of the keel within board (so much as she treads on the ground) and the breadth within board by the midship beam, from plank to plank, and half the breadth for the depth, then multiply the length by the breadth, and that product by the depth, and divide the whole by 94; the quotient will give the true contents of the tonnage.
Page 28 - ... from the right hand of the quotient, point off so many places for decimals, as the decimal places in the dividend exceed those in the divisor.
Page 188 - Now the distance of the centre of oscillation from the point of suspension...
Page 24 - To reduce a mixed number to an improper fraction. RULE. — Multiply the whole number by the denominator of...
Page 204 - ... above the upper deck"; the breadth thereof at the broadest part above the main wales, half of which breadth shall be accounted the depth of such vessel, and then deduct from the...