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Locomotive-Headlight.

Description: Patent for a three-way locomotive-headlight with easily removable screens of different colors in order to send signals. The screens are easily fitted to other locomotive headlights. This invention is meant to prevent accidents that happen without proper signaling.
Date: January 14, 1896
Creator: Davis, Moses J.
Item Type: Refine your search to only Patent

Process of Treating Slag and Furnace Therefor.

Description: Patent for a process of treating slag and furnace therefore. It has an improved method for separates melted metals produced during smelting and extracting the precious metals from slag. The richer matte and base-bullion run off separately and into separate taps.
Date: August 20, 1895
Creator: van Cleve, Charles M. & Rhodes, Robert D.
Item Type: Refine your search to only Patent
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