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Level. (open access)

Level.

Patent for a spirit level, which measures more accurately than other models and allows quicker calculation of where the wood needs to be moved to be level.
Date: November 23, 1909
Creator: Brittain, Thomas H.
System: The Portal to Texas History
Belt Fastener (open access)

Belt Fastener

Patent for a belt fastener. Illustration included.
Date: June 29, 1909
Creator: Stenzel, Frank O.
System: The Portal to Texas History