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Scientific American, Vol. 88, No. 12 (1903) (1903)

leaf 7

An illustration from Scientific American, Vol. 88, No. 12 (1903), 1903, leaf 7
f-War.” little moisture that all attempts to The general shape of the ellipses farm them have failed. The ex- of the bridge and its method of periments included the supplying construction may be comprehen- of both manure and water. Manure sively gathered from our illustra- alone was of little use,… … 10 inches by %-inch. The with the seasons. Some longitudinal members are years no irrigation is angles 3 inches by 3 inches by *-inch, and the flat needed, in others all crops need it, but in most years the rocks, which would have seriously damaged it. The bars are 3 inches by ¥% inch. The ellipses…

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