Worthen, William Ezra, 1819-1897, [from old catalog] ed · New York, Appleton · leaf 364
t—11 —7 Si m Lij c 1—<.o-> life -*«ii^ ^A ^ … latter by a sleeve connecting the two bars. The bars in the socket and sleeveare upset, to give more section than the bars themselves, so that the slots cutfor the cotters c c will not reduce the strength below that of the bars. Thecotters must have sufi^cient shearing strength and bearing surface,…
Mechanical drawing
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