. Concrete silos; a booklet of practical information for the farmer and the rural contractor. Concrete; Silage. 58 CONCRETE SILOS Yz of 14 feet less 1 inch, or 6 feet 11 inches. To lay out the ribs for the inner form, lay 2x12 inch planks down upon the barn floor or other flat surface and mark the arc of the circle on each one with a sweep. The arc must be made tangent to the outer edge of the board. This arc gives the outer curved edge of the rib. Measure off the distance "C" (from table of ma-. Jb/nt in Outs/de form M a £/ei/at/'on Plan of home-made wall forms, and details of outsi
. Concrete silos; a booklet of practical information for the farmer and the rural contractor. Concrete; Silage. 58 CONCRETE SILOS Yz of 14 feet less 1 inch, or 6 feet 11 inches. To lay out the ribs for the inner form, lay 2x12 inch planks down upon the barn floor or other flat surface and mark the arc of the circle on each one with a sweep. The arc must be made tangent to the outer edge of the board. This arc gives the outer curved edge of the rib. Measure off the distance "C" (from table of ma-. Jb/nt in Outs/de form M a £/ei/at/'on Plan of home-made wall forms, and details of outside form. terials) along the curved edge of the rib, then mark off the ends of the rib in a radial direction using the sweep for a guide as it revolves around the center. After the ribs are cut out along the lines indicated all that remains to be done is to drill the holes for the bolts by which the ribs are to be joined. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Universal Portland Cement Company. Chicago, Pittsburgh [etc. ] Universal Portland Cement Co.
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Keywords: ., bookcentury1900, bookdecade1910, booksubject, booksubjectconcrete
