Architectural details for every type of building : a practical drafting room guide for contractors, builders, lumber dealers, millmen, draftsmen and architects. (1921)
William A. Radford · William A. Radford · leaf 20
vSECTiON-CC Steel lumber db/st-Steel Lumberdoisr Mote * rVtpunchinq&doltinq done m fieldSteelI umber-Z-Column. s3ECTIOri-EE Shewing steel lumber framingoround 3tair opening. Part/rion -*-Tj3/ * W E