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Cold weather comfort : heating catalog no. 158. (1909)
Chicago House Wrecking Company · Chicago House Wrecking Company · leaf 99
at the base of the soil pinestack, as shown In (figure 47) This is the point at which the pine ismost liable to become stopped. We usually make this bend with aone-eighth bend and a Y branch so as to give the water a sort ofgradual turn. By placing a clean-out plug at the bottom of the struckas… … FIG. 46. CCNU PIPE ©TACK,Heating · HVAC · Boilers · Radiators · plumbing -- catalogs, Division 22, plumbing fixtures
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