Boiler Attachment. (open access)

Boiler Attachment.

Patent for a boiler attachment to regulate the boiler feed pump.
Date: May 31, 1910
Creator: Morris, Gid M. & Watkins, J. H.
System: The Portal to Texas History
Head and Face Protector. (open access)

Head and Face Protector.

Patent for a wearable protective hood for the head and face to protect against weather.
Date: May 13, 1913
Creator: Mincher, Jerry
System: The Portal to Texas History
Slot Angle Bar (open access)

Slot Angle Bar

Patent for a new slot angle bar design.
Date: May 13, 1919
Creator: Rice, E. B.
System: The Portal to Texas History