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Composition for Removing Boiler-Scale
Patent for "an extract of the plant know to botanists by the name 'Larrea Mexican,' to be used in removing boiler-scale and in preventing the reformation of the same" (lines 9-13).
Date:
April 16, 1901
Creator:
Pena, Benjamin
System:
The Portal to Texas History
Lock
Patent for a lock. Illustrations included.
Date:
April 21, 1908
Creator:
Winslow, Walter W.
System:
The Portal to Texas History
Lock
Patent for a lock. Illustrations included.
Date:
April 21, 1908
Creator:
Winslow, Walter W.
System:
The Portal to Texas History