Resource Type
Counties
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Map Hanger
Patent for improvements in map hangers. The purpose is to provide a map exhibiting hanger to use in support for a plurality of maps, particularly maps that have information on the back.
Date:
January 31, 1922
Creator:
Chunn, Richard M.
System:
The Portal to Texas History
Detachable Washer
Patent for a detachable Washer which can be applied or removed from a bolt, without having to remove the bolt itself.
Date:
August 8, 1922
Creator:
Dubbs, Sylvester S.
System:
The Portal to Texas History