Illinois Society of Architects · Chicago · leaf 199
, of approved brand, two (2) parts sharp sand, and six parts brokentile, stone, gravel or fine, clean coal cinders, thoroughly mixed together dry, then tem-pered and mixed, and tamped in place. In no case shall cinder concrete be allowed tocome in contact with structural steel. FINALLY.—Do… … ELECTRIC CONDUITS SPECIFY HARVEY-DUCT ^^;f^^^^^dJi=.^:^^^^.M<^^.^^.-U^JT^^^^^ HARVEY-DUCT is arisid.unlinedElectric Wire Conduit withclean, perfect and uniformthreads; threaded and finishedin our own factory; carefullyreamed and with smoothlyfinished couplings. Our process of treating con-duit…
Architecture · Building · Architects
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