18 Mar bldg. 51 museum acquires sizable cache of louis h. sullivan-designed chicago stock exchange building (1894) hardware
louis h. sullivan-designed chicago stock exchange building (18930 door hardware, executed by the yale & towne mfg. co., stamford, ct. the ornamental cast iron hardware retains the original bower-barff finish, consisting of a magnetic iron oxide coating applied by exposure to superheated steam. the hardware pictured,...