Leeds, Charles Carley, 1870- [from old catalog] · New York, D. Van Nostrand company · leaf 74
nsthe casting without adding much weight. To throw in the large radii given, the student will find it necessaryto use a beam compass, as these radii are too long for the ordinarycompass, even though the extension bar were used. In most drafting rooms a mark of some kind is used on the draw-ings to… … Finish mark i- 4 ^^^ •o<o -^ f-^ -?3 ^y -H <^- Holes Bill of Material Item No. Description end Male rial Pal. No. f?eg. 0^ Leq C.I. 70 ^ T -Ji_13 fe Holes in -feefSec lion A ^3 CLASS Industrial trade: MachinistNAMC John W. Roberts date: May fl_ 07^ THE CARNEGIE TECHNICAL SCHOOLS PlTTQBUf?GH^…
Mechanical drawing
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