Illinois Society of Architects · Chicago · leaf 599
ication shouldtherefore reiiuiifi that red lead must bewholly free from soda or nitrate salts. Theprocess now used to get red lead which is 98))ir cent true, is liy burning the lower gradeled lead, 85 per cent true, for about 20 to 24hours longer. This brings tlie true red lead,Pb.s Oi up to the… … Ball Room—Kdgewater Beach Hotel, Chicago, 111.Architects—Marshall & Fox. X^y\^^
Architecture · Building · Architects
Internet Archive · University of Illinois Urbana-Champaign · Public Domain Mark 1.0. Free to use for anything.