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Improvement in Photographers' Bath-Warmers
Patent for keeping photographers' chemicals and bath water the same temperature throughout the liquids. The patent contains instructions and illustrations for the creation and use of the invention.
Date:
March 27, 1877
Creator:
Fellrath, Charles J.
System:
The Portal to Texas History
Sash - Balance.
Patent for certain new and useful improvements in sash balancing, including instructions and illustrations.
Date:
March 27, 1900
Creator:
Cayce, Henry P.
System:
The Portal to Texas History