Resource Type

Valve for Water-Tanks (open access)

Valve for Water-Tanks

Patent for a valve for water tanks. Illustrations included.
Date: September 17, 1912
Creator: Braly, Hugh L.
System: The Portal to Texas History
Wheeled Scraper (open access)

Wheeled Scraper

Patent for an improvement to scrapers so that "the handling of the scraper-bowl to load, convey, and discharge the dirt may be accomplished with little or no labor on the part of the operator" (lines 14-19).
Date: September 13, 1892
Creator: Rath, Charles
System: The Portal to Texas History