Appleton's cyclopædia of drawing, designed as a textbook for the mechanic, architect, engineer, and surveyor (1866)
Worthen, William Ezra, 1819-1897, [from old catalog] ed, Appleton, firm, publishers, New York. (1866. D. Appleton & co.) [from old catalog] · New York, D. Appleton and company · leaf 337
s strain, from the weight of the floor andceilin^!;. In estimatint!: the size necessarv for the beam the thrust need notl)c considered, because it is always abundantly strong to resist this strain,and 1h(! dinicnsions are to l)e determined as for a floor beam merely,each ])(»int (if suspension…
