5/^A/^ Eaf^th iiSfS wmiim WATEF( … SeCT/oa/ Lining /vic/jt /vot- Fig. 8. 21 33- Section lining or cross hatching may be at any angle, so long as it is not parallel to the boundinglines of the surfaces sectioned. The angles generally used are 30°, 45° and 60°, which taken both ways givesix directions. If two different pieces come…
Mechanical drawing · Lettering
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.