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Scientific American, Vol. 89, No. 24 (December 1903) (1903)

leaf 8

An illustration from Scientific American, Vol. 89, No. 24 (December 1903), 1903, leaf 8
t as the case may be. They are then passed through the cambering ly speaking, it may be said that the bulk of the steel that is annually pro- rolls, where they receive sufficient cam- duced throughout the world to-day, ber to insure that when the rail Is with the exception Of a relatively insig-… … variety of instead of be> SECTIONAL VIEW THROUGH OPEN-HEARTH FURNACE, SHOWING REGULATING VALVES. CHECKER-WORK AND 7I.UEB. © 1903 SCIENTIFIC AMERICAN, INC

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