ما يقوله الناس - كتابة مراجعة
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allowed angle axis base bearing block body boiler bolts called cast cast-iron circle circular circumference color construct contains coupling cover cubic curve cylinder describe diameter diametral pitch dimensions direction distance divide draw drawn edge engine equal Example fall feet figure fixed flange force gear given gives half hammer head inches inclined intersecting iron joint kind length lever logarithm machine means mechanism minute motion move Multiply necessary obtained parallel passes pencil perpendicular piece pipe piston pitch placed plane plates portion position pounds practice pressure pulley radius right angles rivets rule screw shaft shape shown in Fig shows side solid space speed square steam steel straight line stroke surface Take teeth thickness tooth traced triangle tubes valve vertical views weight wheel wrought-iron
الصفحة 21 - When a straight line standing on another straight line makes the adjacent angles equal to one another, each of the angles is called a right angle ; and the straight line which stands on the other is called a perpendicular to it.
الصفحة 43 - To find the. area of a triangle when the three sides are given. From half the sum of the three sides...
الصفحة 22 - A circle is a plane figure contained by one line, which is called the circumference, and is such, that all straight lines drawn from a certain point within the figure to the circumference are equal to one another : 16. And this point is called the centre of the circle.
الصفحة 41 - To the sum of the areas of the two ends of the frustum, add the square root of the product of the diameters of the two ends, this result multiplied by one-third of the perpendicular height of the frustum will give the cubic contents.
الصفحة 43 - From half the sum of the three sides subtract each side severally. Multiply the half sum and the three remainders...
الصفحة 26 - A cone is a solid figure described by the revolution of a right-angled triangle about one of the sides containing the right angle, which side remains fixed.
الصفحة 21 - A plane angle is the inclination of two lines to one another in a plane, which meet together, but are not in the same direction.
الصفحة 117 - Let the given velocity of a wheel containing 54 teeth equal 16 revolutions per minute, and the given diameter of an intermediate pulley equal 25 inches, to obtain a velocity of 81 revolutions in a machine ; required the number of teeth in the intermediate wheel, and diameter of the last pulley. v/81...