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Railway-Switch
Patent for "automatic switches wherein the operative devices are under the control of the engineer, brake-man, or other authorized person on the train or a portion thereof" (lines 12-16).
Date:
August 2, 1887
Creator:
Robberson, John W.
System:
The Portal to Texas History
Needle Threader for Sewing Machines.
Patent for a new and improved sewing-machine needle-threader. This design consists in "[t]he combination, with the slide-bearing of the needle-bar, of the slide, its stop and spring, and the pivoted funnel-guide having a squared bearing to engage the spring, and a face-groove in its small end to engage the needle" (lines 73-78).
Date:
September 2, 1884
Creator:
Bellah, William N.
System:
The Portal to Texas History
Bat-Forming Apparatus.
Patent for a machine for use in making cotton batting which takes the cotton in by an air current and then distributes it evenly throughout the mold for the batting. Illustration is included.
Date:
July 2, 1907
Creator:
Haynes, Daniel
System:
The Portal to Texas History
Seed-Cotton Cleaning Machine
Patent for a machine to clean seed cotton. This invention elevates and distributes cotton in the machine for beating, cleaning, and separating all matter from seed cotton on its way to the cotton gins. Illustrations included.
Date:
October 2, 1906
Creator:
Lamb, William R.
System:
The Portal to Texas History
Shutter-Operating Attachment For Photographic Cameras.
Patent for shuttering operating attachment for photographic cameras. Small mechanical device that is operated by a thumb-lever that causes the shutter of the photographic camera to operate.
Date:
May 2, 1916
Creator:
Atwood, Harry C.
System:
The Portal to Texas History