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Change-Speed Gearing
Patent for "power transmission for automobiles... provides a driving shaft and a driven shaft arranged in alignment, and a countershaft which parallels the driving and driven shafts and carries a set of gears that continuously mesh."
Date:
October 13, 1914
Creator:
Relle, William A. So
System:
The Portal to Texas History
Mine-Sweeper and Ship-Shield
Patent for protecting a ship from mines with a net that serves as a "mine sweeper and ship shield" (lines 9-10). It is also for collecting underwater weapons and improving the net.
Date:
October 15, 1918
Creator:
Coin, James W.
System:
The Portal to Texas History
Washing-Machine.
Patent for a washing machine that can be operated either standing or sitting.
Date:
October 31, 1911
Creator:
Mace, Tine H.
System:
The Portal to Texas History