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off gradually, the opening of the pores being aided by the quick discharge of the air which is mechanically held in the meat. What I claim as my invention, and desire to secure by Letters Patent, is- The mode by which I obtain a vacuum in meat-vat A for curing meat by exhausting the brine from meat-vat A into brine-vat B,
and by means of the combination of stop- cock P and pipe K, connecting vat A with vat B, and stop-cock L in pipe M, substan- tially as above described. AUGUSTUS C. ALLEN. Witnesses: WILLIAM P. SAY, JNO. S. SWAIN.