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Attachment for Lathes.
Patent for an improved attachment for lathes and (more specifically) as a cutting attachment for a jeweler's lathe.
Date:
November 18, 1913
Creator:
Norton, Walter S.
System:
The Portal to Texas History
Plow
Patent for a plow which plows two furrows simultaneously. An axle is mounted on wheels, and the two adjustable plow beams pivot from the axle so that furrow depth and the width between furrows can be adjusted. Patent includes illustrations.
Date:
November 30, 1920
Creator:
Henderson, Warren H.
System:
The Portal to Texas History