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Window-Shadde Adjuster

Description: 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
Partner: UNT Libraries Government Documents Department

Block-Signaling Device.

Description: 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
Partner: UNT Libraries Government Documents Department
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