Hyatt, John Wesley
John Wesley Hyatt, 1837–1920, American inventor, b. Starkey, N.Y. He is known especially for his development of celluloid; with his brothers, he began its manufacture in 1872. He also invented the Hyatt filter, a means of chemically purifying water while it is in motion; a widely used type of roller bearing; a sugarcane mill superior to any previously used; a sewing machine for making machine belting; and a substitute for ivory in the manufacture of billiard balls and other articles.
"Hyatt, John Wesley." The Columbia Encyclopedia, 6th ed.. . Encyclopedia.com. (July 18, 2019). https://www.encyclopedia.com/reference/encyclopedias-almanacs-transcripts-and-maps/hyatt-john-wesley
"Hyatt, John Wesley." The Columbia Encyclopedia, 6th ed.. . Retrieved July 18, 2019 from Encyclopedia.com: https://www.encyclopedia.com/reference/encyclopedias-almanacs-transcripts-and-maps/hyatt-john-wesley