San Francisco, Calif. : Architect and Engineer Co · leaf 40
ut. Some blocks are provided with small oval openings at the ends for thereception of a soft cement mortar. After a course of this style of blocks hasbeen laid in a wall the mason should go along the wall with a measure ofmort/r, sufficiently plastic to pour intr ^hese oval openings. This not… … CO IO
Architecture · Building
Internet Archive · Public Domain Mark 1.0. Free to use for anything.