Practical draughtsmen's work, with numerous engravings and diagrams (1903)
Hasluck, Paul N. (Paul Nooncree), 1854-1931, ed · Philadelphia, D. McKay · leaf 144
dimensions should exactlyagree with the over-alF measure-ment given. In drawing pencil lines theyshould always be drawn longerthan the actual length of theline to be inked in, so thatthe exact point of intersec-tion with other lines can bebetter seen. When the drawinghas been inked in these… … 142 FRAGTIGAL DRAUGHTSMENS WORK, ing. These construction lines, as they are called, shouldbe drawn as lightly as possible, so as to be easily removed with-out greatly damaging the surface of the paper. When drawingcircles or arcs of circles with the compasses, a little pencil markshould be made…
Mechanical drawing
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
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