1 Matching Results
Results open in a new window/tab.
Results:
1 - 1 of
1
Route-Indicator.
Patent for an improved route indicator for automobiles "which not only visually indicates the characteristics and risks of the road" but in addition provides an "auditory signal to call attention to approaching hazards or dangers" (lines 36-41). Illustrations included.
Date:
November 13, 1917
Creator:
Cranmer, Howard
System:
The Portal to Texas History