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Activated-Sludge Treatment.
Patent for a method that dehydrates sewage for easier removal.
Date:
January 29, 1918
Creator:
Moor, William C.
System:
The Portal to Texas History
Moistening and Sprinkling Attachment for Brooms.
Patent for attachment to brooms which enables the moistening of the broom during use to prevent the spreading of dust. One part regulates the flow of liquid to the broom and another provides a container for the liquid. In effect the attachment to the broom makes it into a convertible mop.
Date:
May 23, 1905
Creator:
Taylor, James P.
System:
The Portal to Texas History
Retort Vaporizer and Superheater
Patent for improvements for vaporizers "of simple and highly efficient means for thoroughly and effectively superheating the vapor of water and oil" (lines 13-15).
Date:
March 26, 1889
Creator:
Biddison, Stella D.
System:
The Portal to Texas History