3 Matching Results

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Change-Speed Gearing (open access)

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 (open access)

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. (open access)

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