Leeds, Charles Carley, 1870- · New York, D. Van Nostrand company · leaf 68
rated,marking them with letters and figures as shown. Then find the truelength of each of the slope lines ABCD, etc. These lengths may befound in the manner indicated on the illustration, which the studentshould be able to understand without help. Now, using these lines with the top and base lines,… … CLA3S Industrial trad€ Mac hi nisiNAME John W.Roberts date: A4ay 6^07. THE CARNEGIE TECHNICAL SCHOOLS PITTSBURGH, PA. School or App/?eivt/c£S and Journevmen MECHfiiNICAL DRAWING Intersections and DevelopmentsTriangulation Development SCALE Full Size o^G.No.B-1023 LESSON No. 29. SPECIFICATION.—This…
Mechanical drawing
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
