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Spark-Producing Mechanism for Explosive-Engines.
Patent for a spark producing mechanism for explosive engines, which serves as a starter for the engine when the vehicle is first turned on.
Date:
June 4, 1907
Creator:
Stamps, Lorenzo Dan
System:
The Portal to Texas History
Drying Kiln
Patent for a kiln to be used as a drying chamber for drying and curing of lumber. Illustrations included.
Date:
May 21, 1907
Creator:
Stephens, William E.
System:
The Portal to Texas History
Bicycle Lock
Patent for a bicycle lock. Illustration included.
Date:
December 25, 1906
Creator:
Hayford, Samuel & Hayford, Kirby
System:
The Portal to Texas History
Potato Digger.
Patent for "new and useful improvements in potato-diggers, designed to cut away the vines and to throw them out of the way of the plow-points." (lines 5-10) including instructions and illustrations.
Date:
May 22, 1900
Creator:
Winfrey, Zachary T.
System:
The Portal to Texas History