The structural and industrial materials of California (1906)
Aubury, Lewis E., b. 1862 · Sacramento, W.W. Shannon, Superintendent State printing · leaf 252
< mO ao o … ■A SI O o O y< x; y. y X O Pi O x; (2-15) 246 STRUCTURAL AND INDUSTRIAL MATERIALS OF CALIFORNIA. bricks are made in a Potts soft-mud brick machine, driven liy electricpower; air-dried, and ])urned in a continnoiiH kiln—an ellipse, 175 feetlonsf and 52 feet wide; the outside ring, 12 feet wide,…
Building stones · Portland cement · Clay · Mines and mineral resources
Internet Archive · Public Domain Mark 1.0. Free to use for anything.
