Resource Type
States
Counties
2 Matching Results
Results open in a new window/tab.
Results:
1 - 2 of
2
Churn.
Patent for an improved, strong, durable, and simple churn that produces butter quickly and with much use of power. It has a slide rest with a rotary driving spindle on one end and guide pulleys on the other end, a slide-block that slides on the end of the slide rest, a turn-peg with a ratchet-head on the slide-block, a pawl, and a chord that attaches all these parts.
Date:
October 23, 1894
Creator:
Roark, Calvin M.
System:
The Portal to Texas History
Refrigerating Apparatus.
Patent for an economic and durable refrigerating apparatus that cools food by "reducing the temperature of the air in a partially closed chamber by the evaporation of water brought about through the medium of capillary attraction, and likewise to provide for automatically maintaining a predetermined level of water in the water chamber of the apparatus, and a thorough ventilation of the refrigerating chamber thereof" (lines 16-24).
Date:
October 23, 1894
Creator:
Carleton, Ernest William & Odell, James Madison
System:
The Portal to Texas History