Concrete in the country / [American Cement Company]. (1910)
American Cement Company · Association of American Portland Cement Manufacturers · leaf 56
f the 2 by12-inch board already in place serves as theouter wall form. Toe nail two i by 6-inchboards together at their edges, thus providinga 7-inch height for the other manger wall form and a bearing plate to rest on the green stall floor. Set this wall form so as toleave a 6~inch space for the… … 67