Mechanical drawing : a manual for teachers and students (1902)
Cross, Anson Kent · Boston : Ginn & Co. · leaf 24
C With A as centre and any radius, describe t^ ^ intersecting ^C in z and AB in 2. With / and2 as centres and the same radius intersect the arcin J and 4. Join A 4 and Aj. Problem 12.— To construct at E, in the line E D,cCn angle €qual to a given angle, ABC. Witli B as centre and any radius,… … Problem 13. — To construct an angle of go^, 60^, 4j^, jo°, 75,or any other given magnitude. There are 360° in the entire circumferenceof. a circle. Draw a diameter 1-2, and thereare 180° on either side of this line. Draw asecond diameter j-4, at right angles to 1-2,and the circle is divided into…
Mechanical drawing
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