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Machine For Grinding Valve Seats
Patent for a simpler machine for Grinding Valve-Seats. This machine relates to the machinery involved in the grinding and finishing of valve seats.
Date:
July 28, 1905
Creator:
Meyners, Henry
System:
The Portal to Texas History
Mechanical Movement
Patent for invention has relation to mechanical movement and object is to provide a mechanical means for operating trip lever or other devices, and to this end the novelty consists in the system of lever cranks.
Date:
July 28, 1885
Creator:
Pickle, Obadiah A.
System:
The Portal to Texas History