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Knight's Mechanical Encyclopedia (ed. Knight), Z. (search)
20,655.Monnier, June 22, 1858. 20,926.Wharton et al., July 13, 1858. 27,142.Millbank, Feb. 14, 1860. 32,320.Titterton, Patented in England. May 14, 1861. 33,911.Weissenborn, Dec. 10, 1861. 36,414.Lewis, Sept. 9, 1862. 37,150.Wharton, Dec. 16, 1862. 38,493.Lewis, May 12, 1863. 43,587.Jenkins et al., July 19, 1864. 67,839.Bartlett et al., Aug. 20, 1867. 69,573.Mills, Oct. 8, 1867. 72,032.Hall, Dec. 10, 1867. 73,146.Wetherill, Jan. 7, 1868. 73,147.Wetherill, Jan. 7, 1868. 83,643.Lees, Nov. 3, 1868. 95,484.Jones, Oct. 5, 1869. 108,965.Burrows, Nov. 8, 1870. 138,684.Osgood, May 6, 1873. 136,685.Osgood, May 6, 1873. 139,701.Bartlett, June 10, 1873. 142,571.Lang, Sept. 9, 1873. 145,976.Trotter, Dec. 30, 1873. See also white-lead. Zir-co′ni — a light. One in which a stick of oxide of zirconium is exposed to the flame of oxyhydrogen gas. Invented by Tessie du Motay. It is said to be entirely unaltered by the heat, and to develop more intense light than any ot