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A duplicate of the original model of the Sickels' Lifting, Tripping and Regulating machine, with Patent Office certificate and copy of drawing attached to the first patent in the World for ^[[the]]trip cut-off, ^[[for steam engines now in general use]] May 20, 1842, deposited by the inventor Mr. F.E. Sickels, of Kansas City, Mo.
A centrifugal milk separator^[[:]] [[strikethrough]] which was [[/strikethrough]] the first machine used in separating cream from milk at the Deerfoot Farm, Southboro, Mass., in 1879. Gift of the Deerfoot Farm Co., through James Cheesman.
These and other relics of the early history of the mechanic art, previously acquired, form the nucleus of a collection which it is desired to increase in other directions.