Don Mills, Ont. : Southam-MacLean Publications · leaf 30
e than the other, and there-fore hogging the pipe. Unless the discharge pipesare over one hundred feet long, a pressure of fourinches is sufficient to clear the pipe, and you shouldspeed each fan to produce about 4l/2 inches runningalone. Then when running together, neither will over-come the… … Fig. 1. (A)—l/l glasstube bent to form a Uas shown. (B)—rub-ber tube about 3 feetlong. Scales marked onboard are read as fullinches. by very small stages until you are satisfied, bearing inmind that there is an efficient speed at which the fanwill run, above which it commences to take too…
Furniture industry and trade · Woodworking industries
Internet Archive · Thomas Fisher Rare Book Library · Public Domain Mark 1.0. Free to use for anything.
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