Plain concrete for farm use, farmers' bulletin no. 1279 (1922)
U. S. Department of Agriculture · U.S. Department of Agriculture · leaf 13
f the forms to keepthem from bulging out of alignment. The effect of the bulging ofa form is corrected only at a considerable expense; hence it is ad-visable to pour the concrete to a depth of not more than 2| or 3feet, allowing it to set or harden before pouring more. The form most used in… … Fig. 4.—Form for basement or cellar wall. The earth may be used as an outside form if it is sufficiently firm. The straight wall form may be built continuous (Figs. 4 and 5),or in panels of a size convenient to handle, and from stock lengthsof lumber (Fig. 6). Generally the face boards are placed…
