Sacramento County Biographies WM. OSCAR THRAILKILL, D. D. S. Transcribed by: Nancy Pratt Melton This file is part of the California Genealogy & History Archives http://www.rootsweb.ancestry.com/~cagha/index.htm SACRAMENTO TOWNSHIP. Page 291. born in Mississippi, December 25, 1854. He graduated at Baltimore, Maryland, at the age of twenty. He came to California in 1877 and settled in Sacramento city, southwest corner of Sixth and K streets, at which place he still resides. He was married in San Francisco in 1878. In 1879 he published The Teeth, Natural and Artificial. In 1879 he invented the "Eureka" plugging press and pluggers (instruments for manipulating materials and filling teeth); also the "Eureka" amalgam (a gold and platinum alloy for permanently filling teeth), which he is sole manufacturer of. In the same year he opened a dental depot in connection with the practice of dentistry, for the supply of the various dental instruments and materials to the dental profession of the Pacific Coast. In September of the same year he published a sample copy of the Dental Zairus, a monthly journal of dental science, he occupying the position of editor and proprietor. January, 1880, the Zairus was enlarged and improved, and still continues a monthly. Source: History of Sacramento County, California With Illustrations 1880 by Thompson & West.