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Block-Signaling Device.
Patent for a block signaling device for railroads, which sends an audible signal as well as a telephone message to the incoming train.
Date:
October 6, 1908
Creator:
Fechner, William & Fechner, Albert Henry
System:
The Portal to Texas History
Window-Shadde Adjuster
Patent for improvements for the window shade adjuster. The window shade adjuster limits the amount of light from entering through a window by providing a slidable bar that can be moved.
Date:
February 6, 1912
Creator:
Fechner, Albert H. & Fechner, William
System:
The Portal to Texas History