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ARCHITECTURAL DRAWING BABBIT METAL balance valve beam bill of material bottom head bottom view BRASS called centre line chapter CHIMNEY circle construction COPPER FLOAT Cored holes COUNTERSUNK depth dimension lines dimensions are given distance DOOR dotted line drawing which represents DRILLED HOLES equal explained finished foot front elevation GEARING girder gland inches indicated known left-hand legs length light full line light lines looking marked necessary object is shown object represented OPEN HOLES PLAN VIEW plate projection drawing protractor READ A DRAWING readily understood REAR VIEW right-hand scale SECTION-A-A show the object shown in Fig shows the shape side view standard stopcock STUD BOLTS student STUFFING Box stuffing-box tank thread TIE RODS TOP & BOTTOM top and bottom top flange view of Fig view or front VIEW OR REAR VIEW SIDE ELEVATION views are shown white lead width WINDOW
Popular passages
Page 45 - The lines are called the sides of the angle, and the point where they meet is called its vertex.
Page 44 - In order to obtain accurate measurements each degree is divided into 60 equal parts called minutes and each minute is divided into 60 equal parts called seconds.
Page 43 - The distance around a circle is called the circumference of the circle.
Page 43 - ... vacation, and returned in the evening of Sept. 26. Express in weeks and days the length of his vacation. 7. Find the difference in time between Oct. 12, 1492, and July 4, 1776. 8. Jan. 1, 1859, fell on Saturday. What day of the week was Jan. 1, 1860 ? Jan. 1, 1861 ? Circular and Angular Measures. 328. Any portion of the circumference of a circle is called an arc.
Page 43 - A CHORD of a circle is a straight line joining the extremities of an arc; the arc is then said to be SUBTENDED by the chord.
Page 43 - A circle is a single curved line every part of which is an equal distance from a point called the centre.
Page 43 - The radius of a circle is the distance from the centre of the FIG.
Page 12 - ... the eye. The dotted line consists of a series of very short...