Boll-Cotton Separator and Cleaner (open access)

Boll-Cotton Separator and Cleaner

Patent for a new boll-cotton separator and cleaner used for separating and cleaning boll, catch the cotton delivered to the separating chamber, remove cotton from catching means, etc.
Date: July 15, 1919
Creator: Simmons, Oliver G.
System: The Portal to Texas History
Improvement in Coolers for Railroad-Car Journals. (open access)

Improvement in Coolers for Railroad-Car Journals.

Patent relating to "an apparatus for cooling the journals and boxes of railroad-cars and other vehicles" (lines 27-29). Includes instructions and illustration.
Date: July 15, 1879
Creator: Morris, Robert C.
System: The Portal to Texas History
Safety Device for Steam-Boilers (open access)

Safety Device for Steam-Boilers

Patent for a safety device designed to cut off steam in the even of an accident.
Date: July 15, 1902
Creator: Foskett, Fred
System: The Portal to Texas History
Underground Portable Drill (open access)

Underground Portable Drill

Patent for drilling machines for the object of drilling underground openings for laying gas, electric, water or any other conduits. A second object is sectional drill or track worm to keep drilling going without moving the machine.
Date: July 15, 1919
Creator: Branning, Willie F.
System: The Portal to Texas History