Illinois Society of Architects · Chicago · leaf 312
orks of Chicago MANUFACTURERS OF FIRE ESCAPES AND STAND PIPESFIRE-PROOF DOORS AND SHUTTERSGENERAL IRON WORK FOR BLDGS. NEW NUMBER 939-941 West Lake Street CHICAGO, ILLS. 222 Figs. 4 and 5 give directly the side of asquare, the inscribed diameter of an octag-onal, or the diameter of a round plate,… … Fig. 6 gives the numerical value of the factor 3 P \l~rr for plates with fracture lines not exceedinglnO inches in length, and with loads not over 200 tens. ficKr\ SO 100 ISO ■ 60- 55- so- SO > ; so ; 5 1 11 \ 1 \ \ \ \ \ \ \ \ \ V V ■ \ * I \ \ \ , \ \ , \ 1 l , \ \ 1 \ 1 V \ w M \ \ \ \ \ \ V…
Architecture · Building · Architects
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