Concrete in the country / [American Cement Company]. (1910)
American Cement Company · Association of American Portland Cement Manufacturers · leaf 24
aken apart,md the lumber used for some-hing else. If often pays to puthem together with screws. Iflails are used, do not drive themlome. to beworksmall are Needed in SelectingLumber for Forms The selection of lumber is of mportance.used If the Forms are to )e useo o\er man\ times, sur-aced lumber,… … Wiring Forms Prevents Bulging. )ad knot, and filling with a little clay, the Form is made tight. Green lumber is preferable to kiln-dried or seasoned stuff. Seasoned stuff,vhen wet (either by throwing water on the form before placing the concrete or byibsorbing the water from the concrete) warps,…