Back Spacing Attachment for Type Writing Machines (open access)

Back Spacing Attachment for Type Writing Machines

Patent for an attachment to provide type writing machines with back space. Illustration included.
Date: July 19, 1904
Creator: Parker, William A.
System: The Portal to Texas History
Car Coupling. (open access)

Car Coupling.

Patent for a new and improved coupling for railroad cars. This design is "to provide a novel car-coupling pin and means for operating the same to automatically couple cars through the medium of ordinary links without the use of triggers located within the draw-head . . . The invention consists, essentially, in a vertically-movable coupling-pin adapted to rotate axially in the pin-hole of the draw-head, and having a wing or lug for supporting it in its elevated position, combined with a yielding draw-head having a vertical slot to receive the wing or lug and a shoulder to support the same" (lines 8-22).
Date: July 19, 1887
Creator: Power, Kelsey L.
System: The Portal to Texas History
Refrigerator (open access)

Refrigerator

Patent for a refrigerator. Illustrations included.
Date: July 19, 1910
Creator: Conroy, Eliza D.
System: The Portal to Texas History