Coal Miners' Pocketbook: Formerly The Coal and Metal Miners' Pocketbook; Principles, Rules, Formulas and TablesMcGraw-Hill Book Company, Incorporated, 1916 - 1172 páginas |
Dentro del libro
Resultados 1-5 de 100
Página 2
... side , proportionately reduced , a scal tenths . On the other , a scale of twelfths , corresponding to inches . reduce inches to decimal parts of a foot , find the number of inches and f tional parts thereof on the side marked " inches ...
... side , proportionately reduced , a scal tenths . On the other , a scale of twelfths , corresponding to inches . reduce inches to decimal parts of a foot , find the number of inches and f tional parts thereof on the side marked " inches ...
Página 9
... sides of a right - angled triangle , viz .: The square of the hypotenuse is equal to the sum of the squares of the sides . The commonly used ratio is 3 for the horizontal side , 4 for the vertical side , and 5 for the hypotenuse , or ...
... sides of a right - angled triangle , viz .: The square of the hypotenuse is equal to the sum of the squares of the sides . The commonly used ratio is 3 for the horizontal side , 4 for the vertical side , and 5 for the hypotenuse , or ...
Página 36
... side of the one equal to two angles and the included side of the other , they are equal in all their parts , 7. In any triangle , the greater side is opposite the greater angle , and the greater angle is opposite the greater side . 8 ...
... side of the one equal to two angles and the included side of the other , they are equal in all their parts , 7. In any triangle , the greater side is opposite the greater angle , and the greater angle is opposite the greater side . 8 ...
Página 37
... side being a diameter , it is right - angled . 22. In any parallelogram , the opposite sides are equal ; the ... side of a regular polygon is equal to 360 ° divided by the number of sides . 27. Plane figures are similar when they are ...
... side being a diameter , it is right - angled . 22. In any parallelogram , the opposite sides are equal ; the ... side of a regular polygon is equal to 360 ° divided by the number of sides . 27. Plane figures are similar when they are ...
Página 41
... Sides Being Given . Let AB , Fig . 22 , be one of the sides . With A as a center and a radius equal to one of the remaining sides describe the arc AC , and with B as a center and a radius equal B to the third side describe the arc BC ...
... Sides Being Given . Let AB , Fig . 22 , be one of the sides . With A as a center and a radius equal to one of the remaining sides describe the arc AC , and with B as a center and a radius equal B to the third side describe the arc BC ...
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Otras ediciones - Ver todas
Coal Miners' Pocketbook, Formerly the Coal and Metal Miners' Pocketbook ... Thomas J. Foster Sin vista previa disponible - 2012 |
Términos y frases comunes
amount angle anthracite armature average beam bending bituminous coal boiler bottom British thermal units carbon cars cement center of gravity circuit coal coke column combustion compression concrete cubic curve cylinder diameter distance drill driven electromotive force elevation engine entry equal factor of safety feet formula friction frog fuel gauge given grade haulage head heat hoisting rope holes horizontal horsepower Inches iron length lime load lubrication mantissa material mean effective pressure measured method mines mixture moment of inertia mortar motor obtained pillars pipe piston placed plumb-bob Portland cement Pounds pressure pulley pump radius rail resistance sand seam shaft shear sheaves shown in Fig side slope specific gravity square station steam steel strands strength stress surface switch tangent temperature tests thickness timber track usually valve vertical weight wire
Pasajes populares
Página 3 - SQUARE MEASURE 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet — 1 square yard (sq.
Página 456 - Z is the space between the piston and the cylinder head (when the piston is at the end of the stroke), toi,-i 8 gether with the volume of the steam ports.
Página 412 - Pi = pressure of steam at discharge, in pounds per square inch; L = length of pipe, in feet; d = diameter of pipe, in inches. In...
Página 204 - This term is applied to the finely pulverized product resulting from the calcination to incipient fusion of an intimate mixture of properly proportioned argillaceous and calcareous materials, and to which no addition greater than 3 per cent has been made subsequent to calcination.
Página 6 - Cubic Measure 1728 cubic inches (cu. in.) =1 cubic foot (cu. ft.) 27 cubic feet = 1 cubic yard (cu. yd.) 128 cubic feet = 1 cord (cd...
Página 34 - Rule. — Divide the logarithm of the number by the index of the root; the result will be the logarithm of the root.
Página 36 - If two triangles have two sides, and the included angle of the one equal to two sides and the included angle of the other, each to each, the two triangles are equal in all respects.
Página 149 - The power multiplied by the distance through which it moves is equal to the weight multiplied by the distance through which it moves. Thus, 20 Ib.
Página 37 - The sum of the interior angles of a polygon is equal to twice as many right angles as the polygon has sides, less four right angles.
Página 303 - The pressure of a liquid on any surface immersed in it is equal to the weight of a column of the liquid whose base is the surface pressed, and whose height is the perpendicular depth of the center of gravity of the surface below the surface of the liquid.