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Improvement in Saw-Sets.
Patent for a simply constructed device for setting the teeth of saws. Includes illustrations and descriptions of its parts and usage.
Date:
January 3, 1871
Creator:
Harris, Henry A.
System:
The Portal to Texas History
Fan Attachment for Dental Engines
Patent for a fan attachment for dental engines. Illustration included.
Date:
January 3, 1911
Creator:
Frisbie, Jonathan S.
System:
The Portal to Texas History