6 Matching Results

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Improvement in Air-Cooling Apparatus. (open access)

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 Bale-Ties. (open access)

Improvement in Bale-Ties.

Patent for improvement in bale-ties, with description and illustrations.
Date: June 8, 1875
Creator: Chadwick, Edwin D.
System: The Portal to Texas History
Improvement in Beer-Refrigerators. (open access)

Improvement in Beer-Refrigerators.

Patent for "an improved refrigerator for cooling lager-beer in the keg, and keep it cool for a long time with a small quantity of ice" (lines 15-18) including illustrations.
Date: August 17, 1875
Creator: Bohart, John N.
System: The Portal to Texas History
Improvement in Car-Couplings. (open access)

Improvement in Car-Couplings.

Patent for improvement in car-couplings, including description and illustrations.
Date: June 29, 1875
Creator: Ramage, Charles E.
System: The Portal to Texas History
Improvement in Cotton-Presses. (open access)

Improvement in Cotton-Presses.

Patent for "a press by means of which the cotton can be backed and pressed into the bale in small quantities at a time, by alternating pressing a quantity, then lifting the follower, and inserting more, and pressing again, and so on until the bale is formed." (Lines 19-25) Includes instructions and illustrations.
Date: November 16, 1875
Creator: Frost, Willis Lee
System: The Portal to Texas History
Improvement in Ventilators. (open access)

Improvement in Ventilators.

Patent for improvement in ventilators which combines a bell-mouthed vane with white induction and black eduction pipes for the purpose of introducing fresh air and eliminating foul air from an enclosed area.
Date: December 21, 1875
Creator: Moyer, Alexander L.
System: The Portal to Texas History