Sweet’s indexed catalogue of building construction for the year 1906 (1906)
New York : Chicago : Architectural Record · leaf 88
twosets of rails is leveled up with concrete, wooden blocks, bricks, etc., as the case may be.The wheels run on the outer rails, the wheel flanges traveling in the slots betweenthe outer and inner rails. This system has been extensively adopted in breweries,chemical factories, paper mills, and… … All ties are of corrugated rolled steel, made especially for the purpose, andwhich we deem superior to channel iron. Ties are four inches wide and g inchhigh for 9 and 12 lb. rails, and 5 inches wide and | inch high for 16 and 20 lb. rails.Connection between rails and ties is made by clips and…
Building materials
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