Roll-turning for sections in steel and iron : working drawings for rails, sleepers, girders, bulbs, ties, angles, &c. : also blooming and cogging, for plates and billets (1894)
Spencer, Adam · London : E. & F.N Spon ; New York : Spon & Chamberlain · leaf 96
ROUGHING FOR ANGLES. "5 clear at collars. Scale 3—1 Foot. ‘ & x x & = x zi > RS im i x is x a ISS i w > y > & > S S > > S x = € aN SS C … 7. 722 long
Rolling (Metal-work) -- Drawings · Steel · Iron
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.