Practical Mechanical Drawing and Machine Design, Self Taught ...Frederick J. Drake & Company, 1906 - 157 sider |
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Side 21
... An isosceles triangle is that which has two sides equal as in Fig . 38 . A scalene triangle is that which has three un- equal sides as in Fig . 39 . A right angled triangle is that which has a right GEOMETRICAL DEFINITIONS 21.
... An isosceles triangle is that which has two sides equal as in Fig . 38 . A scalene triangle is that which has three un- equal sides as in Fig . 39 . A right angled triangle is that which has a right GEOMETRICAL DEFINITIONS 21.
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angle iron beam compass bisect blade boiler bolts cast cast-iron circular pitch clearance common logarithm condenser coupling coupling rod crank cubic contents curve cylinder describe arcs Diam diametral pitch dimensions distance divide draw the line edge ellipse engine eter Example F-Force figure find the area flange gear given gusset hammer horsepower inclined plane intersecting joint length lever machine mantissa mechanism Multiply the power number of equal number of teeth P₁ paper pencil perpendicular phosphor bronze pipe piston pitch circle pitch diameter plates pound weight pounds per square pressure pulley radius revolutions per minute right angles rivets screw semicircle shaft shown in Fig side space square inch steel straight line stroke stuffing-box superficial area surface Surface Condensers T-square thickness tiply tooth traced triangle tubes valves velocity vertical wedge weight of steam wheel width wrought iron
Populære avsnitt
Side 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.
Side 43 - To find the. area of a triangle when the three sides are given. From half the sum of the three sides...
Side 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.
Side 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.
Side 43 - From half the sum of the three sides subtract each side severally. Multiply the half sum and the three remainders...
Side 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.
Side 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.
Side 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...
Side 153 - The logarithm of a number is the exponent of the power to which it is necessary to raise a fixed number, in order to produce the first number.