Percolator.
Description:
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.
Item Type:
Refine your search to only
Patent
Partner:
UNT Libraries Government Documents Department