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Pumping Apparatus.
Patent for a pumping apparatus that has "certain improvements in that class of pumps known as ejectors for raising liquids out of wells by means of compressed air or stream" (lines 9-12). The pump quickly and easily raises large amounts of water and is an improvement on a patent previously granted to the inventor (No. 474,819).
Date:
March 27, 1894
Creator:
Nevill, William Birt
System:
The Portal to Texas History
Safety-Envelop
Patent for an envelope that cannot be removed without obvious sign of tampering.
Date:
March 3, 1903
Creator:
Tabler, Jasper N.
System:
The Portal to Texas History