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Internal-Combustion Engine
Patent for an improved internal combustion engine. Among the improvements, it allows "compounding the expansion effect to obtain the highest possible efficiency." ( lines 11-13)
Date:
January 16, 1912
Creator:
Pearson, Samuel
System:
The Portal to Texas History
Mail-Bag Catcher
Patent for a mailbag catcher to be used with trains. Illustrations included.
Date:
January 12, 1909
Creator:
Peek, Joseph S.
System:
The Portal to Texas History