. Agriculture in Canada; modern principles of agriculture applicable to Canadian farming to yield greater profit. Agriculture; Agriculture; cbk. UNDERDRAINING. 81 narrow draining spade (see III. 41) made specially {^Drain0"01" for this purpose. The loose earth is thrown out with a "; See III. 42. )?? To secure the proper grade for the bottom of a Grading. drain, one method is to use several cross-heads made from strips of one-inch boards three or four inches. 43. DRAINING. wide. Place the cross-heads so that the cross pieces are in line. The proper grade is ascertai
. Agriculture in Canada; modern principles of agriculture applicable to Canadian farming to yield greater profit. Agriculture; Agriculture; cbk. UNDERDRAINING. 81 narrow draining spade (see III. 41) made specially {^Drain0"01" for this purpose. The loose earth is thrown out with a "; See III. 42. )?? To secure the proper grade for the bottom of a Grading. drain, one method is to use several cross-heads made from strips of one-inch boards three or four inches. 43. DRAINING. wide. Place the cross-heads so that the cross pieces are in line. The proper grade is ascertained by using an ordinary spirit-level. When ready to lay the drain, set a standard, or the handle of the crummer, on the bottom of the drain, and mark in line with the tops of the cross-heads. This will give a true grade for the tiles. See III. 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 Rennie, William. Toronto W. Rennie
Size: 1713px × 1458px
Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1910, booksubj, booksubjectagriculture
