Resource Type
Counties
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Railway-Switch.
Patent for an improved railway switch that "may be operated by a passing car or train, and one which will be most effectual and certain in its operation and which will at the same time automatically adjust a signal at one side of the track which will indicate to the next approaching train the position of the switch" (lines 18-24).
Date:
June 27, 1893
Creator:
Johnson, Samuel Joseph
System:
The Portal to Texas History
Cultivator.
Patent for certain new and useful improvements in cultivators, including instructions and illustrations.
Date:
September 27, 1898
Creator:
Owens, John H.
System:
The Portal to Texas History