RF2JJB53Y–First Arc Light - Battery Operated from the article ' BEGINNINGS AND FUTURE OF THE ARC-LAMP ' by S. M. Hamill from The Engineering Magazine DEVOTED TO INDUSTRIAL PROGRESS Volume VII April to September, 1894 NEW YORK The Engineering Magazine Co
RF2JJB540–from the article ' BEGINNINGS AND FUTURE OF THE ARC-LAMP ' by S. M. Hamill from The Engineering Magazine DEVOTED TO INDUSTRIAL PROGRESS Volume VII April to September, 1894 NEW YORK The Engineering Magazine Co
RF2JJB56B–Single Arc-Lamp [for indoor lighting] from the article ' BEGINNINGS AND FUTURE OF THE ARC-LAMP ' by S. M. Hamill from The Engineering Magazine DEVOTED TO INDUSTRIAL PROGRESS Volume VII April to September, 1894 NEW YORK The Engineering Magazine Co
RF2JJB55Y–Jablochkoff Candle A Yablochkov candle (sometimes electric candle) is a type of electric carbon arc lamp, invented in 1876 by the Russian electrical engineer Pavel Yablochkov. from the article ' BEGINNINGS AND FUTURE OF THE ARC-LAMP ' by S. M. Hamill from The Engineering Magazine DEVOTED TO INDUSTRIAL PROGRESS Volume VII April to September, 1894 NEW YORK The Engineering Magazine Co
RF2JJB56D–Siemens & Halske Ratchet Arc-Lamp [Ribbon Feed Type] from the article ' BEGINNINGS AND FUTURE OF THE ARC-LAMP ' by S. M. Hamill from The Engineering Magazine DEVOTED TO INDUSTRIAL PROGRESS Volume VII April to September, 1894 NEW YORK The Engineering Magazine Co
RF2JJB56K–CONSTANT-POTENTlAL ARC-LAMP from the article ' BEGINNINGS AND FUTURE OF THE ARC-LAMP ' by S. M. Hamill from The Engineering Magazine DEVOTED TO INDUSTRIAL PROGRESS Volume VII April to September, 1894 NEW YORK The Engineering Magazine Co
RF2JJB56C–Double Arc-Lamp [for Outdoor lighting]from the article ' BEGINNINGS AND FUTURE OF THE ARC-LAMP ' by S. M. Hamill from The Engineering Magazine DEVOTED TO INDUSTRIAL PROGRESS Volume VII April to September, 1894 NEW YORK The Engineering Magazine Co
RF2JJB563–First Brush Dynamo 1876 from the article ' BEGINNINGS AND FUTURE OF THE ARC-LAMP ' by S. M. Hamill from The Engineering Magazine DEVOTED TO INDUSTRIAL PROGRESS Volume VII April to September, 1894 NEW YORK The Engineering Magazine Co
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