Fire-Escape (open access)

Fire-Escape

Patent for a flexible chute that attaches to the window frame. The chute uses hinges or a pivot so it can be moved out of the way when not is use.
Date: March 9, 1909
Creator: Woods, Murray
System: The Portal to Texas History
Balanced Valve (open access)

Balanced Valve

Patent for a balanced valve for a steam powered sawmill.
Date: March 3, 1908
Creator: Rigsby, Lewis J.
System: The Portal to Texas History
Ash Pan (open access)

Ash Pan

Patent for an ash pan. Illustration included.
Date: August 14, 1906
Creator: Byar, Ernest & Clopton, Mortimer L.
System: The Portal to Texas History
Pressure-Regulator (open access)

Pressure-Regulator

Patent for a Pressure-Regulator, which is a device for "automatically regulating the pressure of steam, compressed air, or other gases while passing through a conduit" (lines 8-10).
Date: October 24, 1905
Creator: Moffett, James D.
System: The Portal to Texas History
[Log Turner] (open access)

[Log Turner]

Patent for a log turner. This "invention relates to an improvement in nigger-bars used in connection with steam-cylinders to turn the logs on sawmill-carriages" (line 8-11). Illustration included.
Date: December 22, 1903
Creator: Edwards, Daniel R.
System: The Portal to Texas History