San Francisco, Calif. : Architect and Engineer Co · leaf 174
rete construction which seems suited toinsure absolute safety and certainty is to form the ordinary wet concrete intobricks and blocks of desired sizes and shapes, with heavy automatic machinery,and when set or hardened and thoroughly tested, lay them up in the usual way. This does away with… … I
Architecture · Building
Internet Archive · Public Domain Mark 1.0. Free to use for anything.