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Improvement in Air-Cooling Apparatus.
Patent for "the construction and arrangement of a refrigerator for the purpose of cooling and maintaining a low and dry temperature, for preserving fresh meats and vegetables, and for cooling rooms for any purpose." (Lines 10-15) Includes instructions and illustrations.
Date:
March 30, 1875
Creator:
Hyatt, Frank A.
System:
The Portal to Texas History
Improvement in Car-Couplings.
Patent for an improved train car-coupling, including illustrations.
Date:
March 30, 1875
Creator:
Garrett, Charles C.
System:
The Portal to Texas History