Cyclopedia of architecture, carpentry, and building : a general reference work ... (1907)
American School of Correspondence · Chicago : American Technical Society · leaf 204
nder variouspressures. Under 5 pounds pressure, for example, the rise in tem-perature ranges from 30 to 140 degrees; under 20 pounds, 35 to 150degrees; and under 60 pounds, 45 to 170 degrees. Columns 5, 6, and7 give approximately the corresponding efficiency of the heater. Forexample, air passing… … Fig. 139. Front View of Cast-Iron SectionalHeater. The Banks of .Sections are Ku-clo-sed in a Steel-Plate Casing. 163 154 HEATING AND VENTILATION TABLE XXX Data Concerning Pipe Heaters Temperature of entering air, zero.—Velocity of air between the pipes, 800 feet per minute. Te.mperatureto which…
Architecture · Building · Carpentry
Internet Archive · Public Domain Mark 1.0. Free to use for anything.
