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 68
d wouldbe worn so as to become loose andrender the keeping of a tight jointdifficult. When a stud is put in placeit becomes part of the casting, andthe wear then comes on the nut andstud, both of which are made ofwrought iron. The material will standthe wear much better than cast iron,on the outer… … Fig. lid r/g //7
Mechanical drawing
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