Syringe. (open access)

Syringe.

Patent for a new and improved syringe. This design consists in "[t]he combination, with inlet and outlet tubes provided with end fittings . . . of the two concavo-convex disks arranged on the tubes with their concavities opposite to each other, [one] disk being made of soft rubber and adapted to be inserted within the vagina and the [other] disk adapted to be pressed against the vulva during the operation of syringing" (lines 73-81).
Date: April 17, 1888
Creator: Streetman, Willard
System: The Portal to Texas History
Railway-Crossing. (open access)

Railway-Crossing.

Patent for a railway crossing track, which does not jar the train's wheels as it passes over the crossing.
Date: November 17, 1908
Creator: Adams, Powell O.
System: The Portal to Texas History
Cotton-Compress (open access)

Cotton-Compress

Patent for a cotton compress. Illustrations included.
Date: September 17, 1912
Creator: Mode, Marshall M.
System: The Portal to Texas History