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

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### Common terms and phrases

air-pump angle axis beam body boiler breadth calculated cast iron centre of gravity centripetal forces circle circumference coefficient column constant cosine crank cross-head cube root cubic feet cubic foot cubic inches cylinder in inches decimal degrees denominator depth diameter of cylinder difference discharge displacement distance ditto divide the product divisor effect elastic force equal find the diameter formula fraction frustum gibs and cutter give given number half Hence horizontal Hot Blast immersed inches diameter inches of mercury length lever load-water line logarithm motion multiply nearly nominal horse power number of teeth ordinates orifice perpendicular pitch plane pressure Prop proportion quotient radius ratio result revolutions revolutions per minute revolving secant shaft side side rod solidity specific gravity square feet square inch square root subtract Suppose tangent temperature thickness triangle tube valve velocity versed sine vis viva weight wheel

### 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 238 - 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 131 - Practical, Short and Direct Method of Calculating the Logarithm of any given Number, and the Number corresponding to any given Logarithm.

Page 357 - 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.