Leeds, Charles Carley, 1870- [from old catalog] · New York, D. Van Nostrand company · leaf 13
Fig. io. The pencil point of the spring-bow compass should be sharpenedin the same manner, except that the finished point should be slightlynarrower than the one in the large compass. SETTING LEAD.—^\^^en adjusting the legs of the large com-pass, see that the pencil point is slightly shorter than… … to open when it is turned in one direction, and to close when turned inthe other. LESSON No. 2.—Continued. After the compass legs are properly adjusted for length, test thesetting of the lead by drawmg a circle clockwise, then, without remov-ing the needle point from the paper, swing one…
Mechanical drawing
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