Self-Signaling Device For Railroads. (open access)

Self-Signaling Device For Railroads.

Patent for a self-signalling device for railroads that is simple and efficient. Instructions and illustration included.
Date: April 11, 1916
Creator: Littlepage, Rufus E.
System: The Portal to Texas History
Fumigator and Insect Destroyer (open access)

Fumigator and Insect Destroyer

Patent for a fumigator and insect destroyer. Illustration included.
Date: April 11, 1905
Creator: Frazer, James A.
System: The Portal to Texas History