William A. Radford · Radford Architectural Company · leaf 22
added eitherby spreading same uniformly over the mor-tar or spreading the mortar uniformlyover the stones, and then the whole massshall be vigorously mixed together untilthe coarse aggregate is thoroughly incor- CEMENT HOUSES AND HOW TO BUILD THEM. porated with and distributed throughoutthe mortar.… … Fig. 11—Method in detail of work of constructing windowledge and frame in connection with blocks. sand, particularly for mortar used in ma-chine made blocks of a semi-wet consist-ency. For fine materials, such as used incement blocks, it is necessary that the me-chanical mixer be provided with…