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Injection Apparatus
Patent for an injection apparatus for use in adding chemicals to water supplies in sinks.
Date:
July 5, 1910
Creator:
Rodgers, Walter S.
System:
The Portal to Texas History
Mechanical Movement
Patent for the invention of certain improvements in mechanical movements.
Date:
July 29, 1910
Creator:
Campbell, George W.
System:
The Portal to Texas History