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Draft-Equalizer
Patent for "a draft-equalizer that the draft will be equally distributed among each of the animals attached thereto, so that one may travel in the furrow, if desired, and the remainder permitted to move over the unplowed ground" (lines 22-27).
Date:
May 14, 1901
Creator:
Anderson, Samuel Cornelious
System:
The Portal to Texas History
Oil-Burner.
Patent for an improved oil burner design "for use where high efficiency and greatest economy are desired in burning low grade oil" (lines 14-16), such as coal and crude oil. Includes illustrations.
Date:
November 2, 1915
Creator:
Wright, John F.
System:
The Portal to Texas History