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Improvement in Plaiting-Irons.
Patent for an improvement to plaiting-irons: "a plaiting-iron composed of a peculiarly-constructed iron or metal plate used in connection with a correspondingly-constructed board" (lines 23-25), with illustrations.
Date:
August 14, 1877
Creator:
Gingras, Joseph E.
System:
The Portal to Texas History
Conduit Electric Railway.
Patent for an underground conduit electric railway meant to propel cars. The conduit can be drained and kept dry, and a trolley attachment protects the conduit from dirt and water as well.
Date:
December 5, 1893
Creator:
de Voe, William R.
System:
The Portal to Texas History