51 Matching Results
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51
Device for Manually Propelling a Body Through the Water.
Patent for a device that can be used by an individual while swimming to propel oneself through the water, or as an oar to propel a boat through the water.
Date:
March 10, 1914
Creator:
Wyche, Cyril Hopkins
System:
The Portal to Texas History
Dam Construction
Patent for a movable dam wall shorter than the depth of the water behind it, including illustrations.
Date:
March 3, 1914
Creator:
Hunt, Edward B.
System:
The Portal to Texas History
Cotton Picking Device
Patent for removing cotton from the stem and placing into the machine. The machine will also remove further elements that are not part of the cotton, and then place the cotton into a basket.
Date:
March 20, 1914
Creator:
Beran, Rudolph F.
System:
The Portal to Texas History