Concrete in the country / [American Cement Company]. (1910)
American Cement Company · Association of American Portland Cement Manufacturers · leaf 15
be said, how-ever, that a dry mixture is the harder to handle, must be protected with greatercare from the sun or from drying too quickly; and lastly, is likely—unless used bymost experienced hands—to show voids or stone pockets in the face of the workwhen the *Forms are removed. The less the voids… … 1 Tools One great advantage of concrete, so tar as the farmer is concerned, lies in the:act that, ^neralK sj^eaking. it necessitates no outlay for tools, for it so happensthat most of the tools needed for forms of concrete construction are the very3nes every farmer uses— Shovels—^One for each man…