Edmond Feil. The First Successful Manufacturer of Optical Glass in America.

JSGT 1943 V27 T113-T132

A contribution to the general history of optical glass manufacture. Edmond Feil was a great-grandson of Pierre Louis Guinand (1748–1824), the inventor of the modern process of manufacturing optical glass. He spent the earlier part of his working life in Paris in the optical glass works of his father, Charles Feil; had associations with Chance Brothers and Company for a brief period, commencing March, 1887; and later went to USA where, in 1893, he was engaged to superintend the optical glass factory of Macbeth and Company of Pittsburgh, Pa. Between 1897 and 1902 he was employed by the Manhattan Optical Company at Cresskill, N.J. An account of his optical glass formulas and procedures, as communicated to Chance Brothers and Company, is given.

W. H. S. Chance