Cyclopedia of architecture, carpentry, and building : a general reference work ... (1907)
American School of Correspondence · Chicago : American Technical Society · leaf 413
Pig. 143. Simple Device for Carrying Awayto a Safe Height Soil Air that may bePuffed from Fresh-Air Inlet. 339 IK) PLUMBING … Fig. 144. Foul-Air Outlet from Interceptiug Trap Curried to Roof. door, nor be too close to the fresh-air inlet opening. It should belocated so that it will be free of chance obstruction, and above thelevel of winter ice and snow, even though it has to be piped to abovethe roof-level as indicated…
Architecture · Building · Carpentry
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