Illinois Society of Architects · Chicago · leaf 497
acuum in returns, or stop, ac-cording to operating demands. The system alsogives push button control from a panel board inengineers or superintendents office. An Illinois Thermal-Zone Control System willpay for itself in one or two heating seasons. The system is entirely automatic in operation.No… … In addition to special Vacuum and Vapor heating appliances wemanufacture a complete line of specialties for the automatic controlof steam. This enables us to use the proper device to secure resultsunder widely varying conditions in EVERY type of building.With balanced parts of our own manufacture,…
Architecture · Building · Architects
Internet Archive · University of Illinois Urbana-Champaign · Public Domain Mark 1.0. Free to use for anything.
