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Automatic Fire-Escape.
Patent for "new and useful Improvements in Automatic Fire-Escapes" (lines 5-6), including instructions and illustrations.
Date:
August 26, 1913
Creator:
Thompson, Herman E.
System:
The Portal to Texas History
Branding-Iron
Patent for a branding iron that expends less fuel than similar brands due to its combustion chamber that is able to better concentrate its heat towards the applied surface.
Date:
December 26, 1911
Creator:
Thurman, Lee Onadus
System:
The Portal to Texas History
Spirit Level.
Patent for a spirit-level by Allan T. Gibson. Meant for helping users obtain level and perpendicular lines with more ease and accuracy, as well as for determining any intermediate angle.
Date:
June 26, 1906
Creator:
GIbson, Allen T.
System:
The Portal to Texas History