Modern Sheet-metal Workers' Instructor: Practical Geometry, Mensuration, Properties of Metals and Alloys ...

الغلاف الأمامي
Drake, 1906 - 309 من الصفحات
 

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الصفحة 5 - 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 21 - AB of the circle into as many equal parts as the polygon is to have sides. With the points A and B as centers and radius AB, describe arcs cutting each other at C.
الصفحة 224 - To find the pressure in pounds per square inch of a column of water, multiply the height of the column in feet by .434. Approximately, we say that every foot elevation is equal to % Ib. pressure per square inch ; this allows for ordinary friction. To find the diameter of a pump cylinder...
الصفحة 227 - To find the velocity in feet per minute necessary to discharge a given volume of water in a given time, multiply the number of cubic feet of water by 144 and divide the product by the area of the pipe in inches.
الصفحة 43 - To find the. area of a triangle when the three sides are given. From half the sum of the three sides...
الصفحة 315 - Sold by booksellers generally or sent postpaid to any address upon receipt of price. FREDERICK J. DRAKE & CO., Publishers 350-352 Wabash Avenue, CHlCAGO, ILL, Easy Electrical Experiment* and How to Make Them By L.
الصفحة 10 - 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 5 - 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 5 - A straight line is that which lies evenly between its extreme points.
الصفحة 15 - 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.

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