Kidder, Frank E. (Frank Eugene), 1859-1905 · New York, Comstock · leaf 411
Pig_ 231.—Roman Method of Brick-and-concrete Xault Construction. at least No. 20 gauge, and No. 16 gauge for boiler-flues. Eventhen the pipes are liable to be eaten away by rust or acids withinten or twelve years. Fire-clay flue lining, on the other hand, isimperishable. Smoke-flues are sometimes…
Building · Carpentry · Masonry
Internet Archive · University of Toronto, Robarts Library · Public Domain Mark 1.0. Free to use for anything.