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Scientific American, Vol. 88, No. 1 (1903) (1903)
leaf 7
two miles, and then hurling the entire mass of the Scotch lines and the North-Eastern Railway of forward at a speed which approximated sixty or sev- The operation of the rotary plow in a snow drift enty miles an hour when the huge ram struck the England own regular snow plows, but most of the might… … EAST OF ALPINE TUNNEL. © 1903 SCIENTIFIC AMERICAN, INC.Internet Archive · Public domain (published before 1931). Free to use for anything.
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