Inside Out Library
Essentials of drafting; a text and problem book for apprentice, trade and evening technical schools (1918)
Svensen, Carl L. (Carl Lars), 1884- · New York, D. Van Nostrand company · leaf 70
F,g.lS3 rig.134 Fig.lBS Several forms of cap nuts are … N= USStd. /Vo Thds. per/nch. F/g. /26 Fig. /2e Y Fig. /P9Mechanical drawing
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