## ENGINEERS AND MECHANICS POCKET BOOK |

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angle axis ball base beam body Boilers breadth capacity cast iron cent centre chord circle circumference coal column common Copper cube cubic feet cylinder depth describe difference dimensions distance divide effect engine equal ExAMPLE.—What experiments fall figure fluid foot force fraction give given grains gravity greater half heat hour inches in diameter increased iron length less mean Measures metal middle miles minute multiply perpendicular Pine pipe piston plane pounds pressure proportion quantity quotient radius raised represent resistance result rule RULE.—Multiply segment shaft side sine ſº solidity space square feet square inch square root steam strength stroke subtract surface temperature term thickness tons triangle velocity vessel weight wheel whole wood yards

### 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...