San Francisco, Calif. : Architect and Engineer Co · leaf 215
r appear like a little pipe organ. IVom this beginning the radiator has developed into the elaborately orna-mented cast iron affairs of today with a continual drop in efficiency of such anxtent that in blast heating (where the pipes are packed in a big sheet iron box.ind cold air forced between… … i k I
Architecture · Building
Internet Archive · Public Domain Mark 1.0. Free to use for anything.