Cyclopedia of architecture, carpentry, and building : a general reference work ... (1907)
American School of Correspondence · Chicago : American Technical Society · leaf 417
of onesize regardless of size, which is manifestly foolish, as it permits increas-ing 2-inch to 2-2 or 3-inch on any type of job, and this is known to beinadequate in any but southerly latitudes. The velocity of air upthe line is, of course, higher in tall buildings than in low ones; hence,in them,… … Fig. 148. Vent Pipe lucroascd in Size Before Passing through Koof, to Prevent Closure by Hoar Fro.st. 344 PLUMBING 121
Architecture · Building · Carpentry
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