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Chest for Piston-Valves.
Patent for a valve chest "fitted for the reception and operation of a piston valve, easily applying to a piston cylinder of a locomotive in place of a removed slide-valve chest without loss of the cylinder, adapting to use superheated steam and high pressure." (lines 11-19).
Date:
May 23, 1916
Creator:
Dawson, Lance L. & Roach, John L.
System:
The Portal to Texas History
Mouse-Guard for Pianos.
Patent for "an upright device for closing the opening in the front of a piano directly below a pedal to thereby render the piano mouse proof" (lines 8-11). The device utilizes spring tension to operate.
Date:
May 21, 1918
Creator:
Bell, Silas D.
System:
The Portal to Texas History
Electric-Shade Insect-Destroyer
Patent for an electric shade insect destroyer where the shade acts as a lamp shade and a insect catcher.
Date:
May 9, 1916
Creator:
Levine, Lewis
System:
The Portal to Texas History