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Mine-Sweeper and Ship-Shield

Description: 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.
Partner: UNT Libraries Government Documents Department

Change-Speed Gearing

Description: 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: So Relle, William A.
Partner: UNT Libraries Government Documents Department
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