American carpenter and builder, august 1906 (1906)
American Carpenter and Builder Co. · American Carpenter and Builder Co. · leaf 98
all the different widths of wall from 2J to 17 can be made bv simolvchanging the adjustment, making a wall 50% hollow containing an air chamber both in the horizontal and perpendicularthrough which moisture, heat and cold cannot penetrate—a block easily handled by one man—to which any facingdesired… … (Patented)
Rough carpentry · Architecture · Designs and plans
Internet Archive · Building Technology Heritage Library · Public Domain Mark 1.0. Free to use for anything.
