Mechanical drawing for industrial and high schools (1917)
Leeds, Charles Carley, 1870- [from old catalog] · New York, D. Van Nostrand company · leaf 51
D y^ N e ^■^\j\ \q .T^ A Fig.^ V \ s B CLASS Indusfriat UAMC \John liV. Roberts DATE Dec. 18-06. ThC €lL/PS€ SCALE Full Size Dyvs.fJo. C-1014 LESSON No. 22. ]\IETHOD OF HOLDING PEN.—In learning to trace, one ofthe first problems which confronts the students is how to hold theinstruments. In… … 0 1 a b Fig. 13. Do not lean the pen either toward the ruling edge or away from it,but hold it in a vertical plane, thus obtaining clean even lines freefrom a ragged edge. While the pen should not be leaned toward or t^way from theruling edge, it will be found that the ink will flow more freely…
Mechanical drawing
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
