## The Practical Model Calculator: For the Engineer, Mechanic, Machinist, Manufacturer of Engine-work, Naval Architect, Miner, and Millwright |

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according angle applied base beam body boiler breadth calculated cast iron centre centre of gravity circle column common constant contained corresponding crank cubic feet cylinder in inches decimal depth determine diameter difference direction discharge displacement distance divide effect elastic force engine equal example experiments expressed extreme figure foot force formula fraction give given greater half Hence horse power increased length less load logarithm mean measure middle minute motion multiply nearly obtained opposite pipe piston plane position practice pressure Prop proper proportion quantity quotient radius ratio reduced resistance result rule shaft side sine solidity space square inch square root steam strength stroke subtract Suppose surface taken temperature thickness triangle valve velocity vertical weight wheel whole

### Popular passages

Page 18 - Operations with Fractions A) To change a mixed number to an improper fraction, simply multiply the whole number by the denominator of the fraction and add the numerator.

Page 10 - Los números cardinales 0: zero 1: one 2: two 3: three 4: four 5: five 6: six 7: seven 8: eight 9: nine 10: ten 11: eleven 12: twelve 13: thirteen 14: fourteen 15: fifteen 16: sixteen 17: seventeen 18: eighteen 19: nineteen 20: twenty...

Page 10 - Moors about eight or nine hundred years since : viz- 1 one, 2 two, 3 three, 4 four, 5 five, 6 six, 7 seven, 8 eight, 9 nine...

Page 240 - Rule : Multiply the square of the diameter of the cylinder in inches by the cube root of the stroke in feet, and divide the product by 47. The quotient is the nominal horse-power of the engine.

Page 133 - Practical, Short and Direct Method of Calculating the Logarithm of any given Number, and the Number corresponding to any given Logarithm.

Page 359 - Geom.) is an arc of any circle contained between the two lines which form that angle, the angular point being the centre ; and it is •estimated by the number of degrees contained in that arc.

Page 19 - To reduce fractions of different denominators to equivalent fractions having a common denominator. RULE.! Multiply each numerator into all the denominators except its own for a new numerator, and all the denominators together for a common denominator.

Page 44 - If the errors are alike, divide the difference of the products by the difference of the errors, and the quotient will be the answer.

Page 16 - When there are more than two numbers, find the greatest common measure of two of them, as before ; then...

Page 19 - 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.