A treatise on architecture and building construction (1899)
International Correspondence Schools · Scranton, The Colliery engineer co. · leaf 100
pipe stack, /a fixture trap, and ;// its back-vent connection;let us proceed to test the system with smoke. We leave thetops of k and/open; then we blow dense smoke into thesystem. The smoke will fall down //, roll along g, and thenrise up each of the vertical pipe lines and so push the airahead of… … l.^.■^-.^t^*„C_ Fig. 58. tight by laying a 6 or 7 pound sheet-lead cap over each, asshown at o and n. Of course, these caps must be bedded inputty or clay, so that they will be air-tight. The instant theends are closed, the system is full of smoke at atmospheric 90 PLUMBING AND GAS-FITTING. § 16…
Architecture · Building
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