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Railway-Signal.
Patent for improvement to the "construction of railway-signals and to provide a simple and comparatively inexpensive one adapted to utilize the light of a telegraph-office or other structure and capable of housing and protecting parts and of being readily operated for displaying either white or colored light" (lines 10-17).
Date:
July 16, 1901
Creator:
Walker, Millard Fillmore
System:
The Portal to Texas History