Apparatus For Desulfurizing Matte Or Other Furnace Products (open access)

Apparatus For Desulfurizing Matte Or Other Furnace Products

Patent for a new and improved apparatus for desulfuring matte or other furnace products.
Date: November 9, 1897
Creator: Wells, James L.
System: The Portal to Texas History
Process of Treating Speiss. (open access)

Process of Treating Speiss.

Patent for "a new and improved process for treating speiss to obtain the valuable metals contained therein" (lines 8-10).
Date: November 15, 1892
Creator: Flury, Paul
System: The Portal to Texas History
Railway-Construction Car. (open access)

Railway-Construction Car.

Patent for "certain new and useful Improvements in Railway-Construction Cars..." (lines 4-5) including instructions and illustrations.
Date: November 29, 1892
Creator: Brown, Carver C.
System: The Portal to Texas History
Device for Measuring Distances. (open access)

Device for Measuring Distances.

Patent for certain new and useful improvements in devices for measuring distances, including instructions and illustrations.
Date: November 1, 1898
Creator: Farrand, James W.
System: The Portal to Texas History