. The railroad and engineering journal . Fig. 3- Fg- 4- copper, tin, zinc, brass, lead, steel, or cast iron, as also toweld copper and brass, brass and brass, etc., and to coatiron with copper, tin, and lead. It may also be used tocut up as well as join a piece of iron plate, etc., as themetal runs off like water if no means are taken to retain it ; and it may be noted that the process may even be usedunder water both for welding and for cutting metals. Since the action is so rapid, and the metal so quicklycooled after welding by conduction to the surrounding. Fig. 5-parts, there is no time fo
. The railroad and engineering journal . Fig. 3- Fg- 4- copper, tin, zinc, brass, lead, steel, or cast iron, as also toweld copper and brass, brass and brass, etc., and to coatiron with copper, tin, and lead. It may also be used tocut up as well as join a piece of iron plate, etc., as themetal runs off like water if no means are taken to retain it ; and it may be noted that the process may even be usedunder water both for welding and for cutting metals. Since the action is so rapid, and the metal so quicklycooled after welding by conduction to the surrounding. Fig. 5-parts, there is no time for any appreciable chemical actionto take place, as the following analysis shows : Stbel. Iron. Analysis. Unworked. Melted. Unworked. Melted. ■50 . 99-39 •25 • 34 Carbon .14 .23 The melted columns are analyses of pieces obtainedby allowing the fluid metal to run off under the arc insteadof retaining it in place. A further advantage of joiningmetals electrically is that nothing of the nature of a solder
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Keywords: ., bookcentury1800, bookdecade1880, bookidrailroadengi, bookyear1887
