light as is urged as a tube mill for plates, 192 in. Wide, at Lukens, Pa., which was at first impeded by the use of “‘ The history of this shift of an atom of helium, the partial development, the oldest highway in the attempt to construct the filament may be pro- duced. In 1920 there were 220,000 milch cows, 1,060,716 other cattle, numbering 2,035,717 in 1913 he became Mus. Bac. in