Illinois Society of Architects · Chicago · leaf 412
Heating and Ventilation Save Your Clients Money … When the old pocket-book is roaring and yourclient demands economy,read Which Heating Sys-tem and Why. Plain facts; plain Eng-lish. Worth reading. Freeto Architects and Engi-neers. Write for copy—now! Mechanical Hot Blast Heater First cost is from 50 to 75 percent lower than any other sys-tem of…
Architecture · Building · Architects
Internet Archive · University of Illinois Urbana-Champaign · Public Domain Mark 1.0. Free to use for anything.
