Cyclopedia of architecture, carpentry, and building : a general reference work ... (1907)
American School of Correspondence · Chicago : American Technical Society · leaf 446
372 PLUMBING 149 … Fig. 207. Trap with Me-chanical Seal Acting byFlotation. higher level. with either glass or metal dome. The strong point claimed for thistrap is the cleansing effect obtained bv the flange extension of theexit, as shown at A, deflecting some of thewater, which, together with the swirling…
Architecture · Building · Carpentry
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