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4 Matching Results
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Apparatus for Automatically Photographing Persons Moving Along a Confined Way.
Patent for a device to automatically take photographs of persons as they walk over a pressure sensor. The inventor suggests the device be used for ticket fare enforcement.
Date:
July 28, 1914
Creator:
Cannon, Burrell
System:
The Portal to Texas History
Watch-Pocket.
Patent for a holder or pocket for a watch that provides a simple, safe, and handy device which is detachable fastened to a garment.
Date:
July 24, 1906
Creator:
Greenwald, Louis.
System:
The Portal to Texas History
Washing Machine.
Patent for a new and improved washing machine. This design consists "[i]n a washing-machine, the combination of the suds-box with an open-bottomed perforated inner casing, smaller in dimensions than the suds-box, and having supports to raise it above the bottom of the suds-box, and a perforated rubber, the upper wash-board or rubber provided with flanges fitting over the inner casing, the intermediate frame and operating lever" (lines 12-20).
Date:
July 29, 1884
Creator:
Lee, Joseph Green
System:
The Portal to Texas History
Plow
Patent for a plow. Illustration included.
Date:
July 26, 1904
Creator:
Kelly, George A.
System:
The Portal to Texas History