Practical engineering drawing and third angle projection, for students in scientific, technical and manual training schools and for ... draughtsmen .. (1897)
Willson, Frederick Newton, 1855-1939 · Princeton, N.J., The author · leaf 174
p. R. R. STANDARD RAIL SECTION. 100 LBS. PER YARD. Draw the above either full size or enlarged 50 %. In either casedraw section lines in Prussian blue, sjjacing not less than one-twentiethof an inch. Dimension lines, red. Dimensions and arrow heads, black.Lettering and numerals either in Extended… … ALLEN-RICHARDSON SLIDE VALVE. Draw either full size or larger. Section lines in Prussian blue, one-twentieth of an inch aj^art.Dimension lines, red. Dimensions and arrow heads, black. Lettering and numerals either inExtended Gothic or Reinhardt Gothic.
Mechanical drawing · Lettering
Internet Archive Book Images · The Library of Congress · No known copyright restrictions (public domain). Free to use for anything.
