Mechanical equipment of buildings; a reference book for engineers and architects (1916)
Harding, Louis Allen, Willard, Arthur C. (Arthur Cutts), 1878-1960 · New York Wiley · leaf 357
Cold Air Ducts Fig. 2.3. Y///////////4 ) ^Air Cell AsbestosBooni … fresh A\r Roomwith Dust Collector Figs. 23 and 24. Register faces (Fig. 25) for recirculating ducts are generally made of hardwood with a freearea about 50% of the gross or hsted area (Table 11). These registers are often placed only infirst floor hall, either in the floor or preferably at side of…
Building · Heating · Ventilation
Internet Archive · University of Toronto, Robarts Library · Public Domain Mark 1.0. Free to use for anything.
