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Combination Motion-Picture and Sound-Reproducing Mechanism.
Patent for a connecting mechanism between the motion picture and sound reproducing mechanisms. If the two get out of sync, there are manually operable means to halting one until the other has caught up.
Date:
June 4, 1918
Creator:
Kirkwood, Abraham L.
System:
The Portal to Texas History
Valve Mechanism For Steam Engines
Patent for useful improvements to the valve mechanism for steam engines. The invention allows an improved means for actuating the slide valve without the use of eccentrics. The valve can also be operated into closed positions at various degrees, and also to reverse the direction of travel of the valve.
Date:
June 9, 1914
Creator:
Wright, Ed W.
System:
The Portal to Texas History