Automatic Feed-Water Steam-Generator (open access)

Automatic Feed-Water Steam-Generator

Patent for a steam generator for hydrocarbon burners. Illustrations included.
Date: February 4, 1913
Creator: Mills, John H. T. & Mills, Virgil H.
System: The Portal to Texas History
Valve Mechanism for Steam Engines (open access)

Valve Mechanism for Steam Engines

Patent for valve gear mechanism for steam engines.
Date: February 6, 1912
Creator: Broadway, Fred V.
System: The Portal to Texas History
Lamp-Turning Mechanism (open access)

Lamp-Turning Mechanism

Patent for head lamps that the drivers can turn while driving to light the road.
Date: February 17, 1914
Creator: Maxfield, Nelson
System: The Portal to Texas History
Improvement for Cotton Chopper (open access)

Improvement for Cotton Chopper

Patent for improvement for cotton choppers “so that the operator may regulate the depth of cut, and may shift the cutting member forward or back” (lines 18-20). Instructions and illustration included.
Date: February 2, 1915
Creator: Finch, Arthur M.
System: The Portal to Texas History
Method of Making Ballast. (open access)

Method of Making Ballast.

Patent for "improvements in methods of making ballast adapted for railway and other uses" (lines 9-11), including illustrations.
Date: February 18, 1919
Creator: Butler, Henry G.
System: The Portal to Texas History