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 649
Variable. … Fig. 3 7a. General Dimensions of 24-inch Pitch Carriers (Downward Run). 4. Their operation is silent, and as they are run at slow speed there is no vibration.From records kept for a period of seven years the maintenance cost for one type of pivotedbucket carrier shows a cost of $0.0036 per ton of…
Building · Heating · Ventilation
Internet Archive · University of Toronto, Robarts Library · Public Domain Mark 1.0. Free to use for anything.