Cotton-Threshing Machine. (open access)

Cotton-Threshing Machine.

Patent for a cotton threshing machine with wheels designed to be constructed in the cotton field and easily moved to different parts of the field.
Date: May 29, 1917
Creator: Patterson, Warren A.
System: The Portal to Texas History
Adjustable Handle-Bar for Bicycles. (open access)

Adjustable Handle-Bar for Bicycles.

Patent for adjustable handle bar for bicycles, including illustrations.
Date: June 29, 1897
Creator: Winfrey, Edgar, M.
System: The Portal to Texas History
Locomotive Brake-Shoe (open access)

Locomotive Brake-Shoe

Patent for a locomotive brake shoe that is "capable of being economically manufactured in a small foundry without the installation of special and elaborate machinery, whereby they may be produced in various repair shops local to different railroad centers" (lines 15-20), including illustrations.
Date: May 29, 1917
Creator: Christensen, Jacob V. C. T.
System: The Portal to Texas History
Screw-Driver (open access)

Screw-Driver

Patent for a screwdriver. Illustrations included.
Date: December 29, 1908
Creator: Winfrey, Edgar M. & Lilins, Thomas W.
System: The Portal to Texas History