The Mechanic's Calculator: Comprehending Principles, Rules, and Tables in the Various Departments of Mathematics and Mechanics, Useful to Millwrights, Engineers, and Artisans in GeneralT. Wardle, 1839 - 344 σελίδες |
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The Mechanic's Calculator: Comprehending Principles, Rules, and Tables in ... William Grier Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2015 |
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absciss avoirdupois axis beam body boiler bottom breadth called cast iron centre of gravity chord circle circumference column Cube root cubic foot cubic inches cylinder decimal denominator depth difference distance divided divisor draw effect elastic equal feet long feet per second figure fluid force fraction fulcrum gallons give given line greater half heat hence horses inclined plane length lever machine measure mechanic minute motion move multiplied number of teeth ordinate orifice ounces parabola parallel parallelogram pendulum perpendicular pinion pipe piston plane pounds pressure proportion pulley pump quantity of water quars quotient radius rectangle resistance right angles rule shaft side specific gravity square inch square root steam engine stroke surface temperature thickness tons transverse triangle tube valve velocity vulgar fractions water wheel weight wheel wherefore yard
Δημοφιλή αποσπάσματα
Σελίδα 20 - Multiply the numerators together for a new numerator, and the denominators together for a new denominator.
Σελίδα 21 - Rule. — Multiply the whole number by the denominator of the fraction, add the numerator to the product and place the denominator under the result.
Σελίδα 23 - The denominator of a decimal, though never expressed, is always the unit, 1, with as many ciphers annexed as there are figures in the decimal.
Σελίδα 61 - The circumference of every circle is supposed to be divided into 360 equal parts, called degrees ; and each degree into 60 equal parts, called minutes ; and each minute into 60 equal parts, called seconds ; and these into thirds, &c.
Σελίδα 113 - GLAZIERS' WORK. GLAZIERS take their dimensions, either in feet, inches, and parts, or feet, tenths, and hundredths. And they compute their work in square feet. ' In taking the length and breadth of a window, the cross bars between the squares are included. Also windows of round or oval forms are measured as square, measuring them to their greatest length and breadth, on account of the waste in cutting the glass.
Σελίδα 113 - What cost the painting of a room, at 6d. per yard; its length being 24 feet 6 inches, its breadth 16 feet 3 inches, and height 12 feet 9 inches ; also the door is 7 feet by 3 feet 6...
Σελίδα 57 - When aline is mentioned simply, it means a Right Line. 7. A Curve continually changes its direction between its extreme points. 8. Lines are either Parallel, Oblique, Perpendicular, or Tangential. 9. Parallel lines are always at the same perpendicular distance ; and they never meet, though ever so far produced.
Σελίδα 259 - The areas of circles are to each other as the squares of their diameters.
Σελίδα 95 - Triangle. Take the square root of the sum of the squares of the short sides of the triangle.
Σελίδα 69 - AB, bisecting it into the two equal parts AD, DB ; then will the sum of the squares of AC, CB, be equal to twice the sum of the squares of CD, BD; or Ac* -f CB* = 2CD* + 2DB*. For, let CE be perpendicular to the base AB. Then, since (by th. 36) AC...