Worthen, William Ezra, 1819-1897, [from old catalog] ed · New York, Appleton · leaf 670
the soil-pipe be made also a ventilating-pipe, as is frequently doneby its connection with the hot-air flue, then the trap and pipes A and V areunnecessary. Many sanitary engineers object to the back-air pipe as imperfect in its ARCHITECTURAL CONSTRUCTION. 653 action (a sudden suction will draw the… … FlG.1553 Fig. 1554. branches. In Fig. 1554 is shown a branch by which the flow from the up-per pipe dripping into the lower trap preserves the water seal. As the water-closet must be ventilated, it is better to have a regular flue in the wall withan induced ventilation by heat in some form, or…
Mechanical drawing
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