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 327
FiQ. 8. Details of Blades. … Section a Section bFig. 9. Blade Sections.* Section c X— X axis of wheel. The backs of the blades are made parallel v.ith the angle lines. Thethickness t at the blade edge is made approximately 0.02 to 0.04. The front of the blade is a circular arc the radius of which is found by dropping a…
Building · Heating · Ventilation
Internet Archive · University of Toronto, Robarts Library · Public Domain Mark 1.0. Free to use for anything.
