The Mechanic's Calculator: Comprehending Principles, Rules, and Tables in the Various Departments of Mathematics and MachanicsThomas Wardle, 1842 - 308 páginas |
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The Mechanic's Calculator: Comprehending Principles, Rules, and Tables in ... William Grier Sin vista previa disponible - 2015 |
Términos y frases comunes
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
Pasajes populares
Página 20 - Multiply the numerators together for a new numerator, and the denominators together for a new denominator.
Página 121 - Powers, are certain simple instruments, commonly employed for raising greater weights, or overcoming greater resistances, than could be effected by the natural strength without them. These are usually accounted six in number, viz. the Lever, the Wheel and Axle, the Pulley, the Inclined Plane, the Wedge, and the Screw.
Página 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.
Página 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.
Página 53 - OF TIME. 60 Seconds = 1 Minute 60 Minutes = 1 Hour 24 Hours = 1 Day 7 Days = 1 Week 28 Days = 1 Lunar Month...
Página 275 - ... way of employing the strength of horses. Robertson Buchanan states, that the mechanical effects of men in working a pump, in turning a winch, in ringing a bell, and rowing a boat, are as the numbers 100, 167, 227, and 248. According to Hatchette, of a man working at the cord of a pulley to raise the ram of a pile engine = 50 dynamical units.
Página 133 - The power is to the weight which is to be raised, as the distance between two threads of the screw, is to the circumference of a circle described by the power applied at the end of the lever.
Página 61 - In a right-angled triangle, the side opposite the right angle is called the Hypotenuse ; and the other two sides are called the Legs, and sometimes the Base and Perpendicular.
Página 109 - BRICKWORK is estimated at the rate of a brick and a half thick. So that if a wall be more or less than this standard thickness, it must be reduced to it, as follows : Multiply the superficial content of the wall by the number of half bricks in the thickness, and divide the product by 3. The...
Página 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.