Burgess............ ductors. Production of electric light in the cheapest Brothers.... .....020 cecccereeeereerceeeeee coeeres Nailing machine, J. Hyslop, Jr «. «429,527, 429,528 Soldering iron, electric, C. E. Carpenter.. possible « way. ‘The relations between the three vibra- ry forces and the… … Pigment, apparatus for the manufacture of sul- ON MECHANICAL ENGINEERING Telegraph, printing, J. Burry........ ........seeseee 429,115 Underwear and clothing for men and boys, l. in Electrica! Industries.—An address by Prof. John phate of lead, J. B. Hannay.. Seereses Telegraph, printing, A. T.…
Internet Archive · Public domain (published before 1931). Free to use for anything.
