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Watchmaker's Tool.
Patent for a watchmaker's tool that removes "the collet and hair spring of a watch from the balance wheel arbor, without injuring the hair spring of the watch and at the same time holding the balance wheel secure against accident or injury" (lines 10-14).
Date:
February 12, 1895
Creator:
Seyfriedt, William C.
System:
The Portal to Texas History
Rodless Double-Acting Pump
Patent for a Rodless Double-Acting Pump to "...eliminate the pump rods and substitute flexible connections" (lines 11-12).
Date:
February 12, 1917
Creator:
Schilder, John J.
System:
The Portal to Texas History