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Percolator.
Patent for a simple and inexpensive water-bath percolator meant to extract "the soluble constituents of various substances" (lines 11-12). "The lid or cover may be sealed hermetically whenever it is desirable to exclude the air or prevent the escape of vapor or volatile constituents" (lines 19-22). It has an inner vessel, the outer vessel containing water. The two vessels are easily disconnected.
Date:
December 24, 1895
Creator:
Riley, David L.
System:
The Portal to Texas History