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This illustration dates to the 1870s and shows a Bessemer converter. The caption reads: Bessemer
UMG25A05_334

This illustration dates to the 1870s and shows a B...

This illustration dates to the 1870s and shows a cupola furnace. This type of furnce was the
UMG25A05_337

This illustration dates to the 1870s and shows a c...

This illustration dates to the 1870s and shows the apparatur for making Bessemer steel. The
UMG25A05_336

This illustration dates to the 1870s and shows the...