t of nitrous.the latter being, as it come the practice lately to give a fine polish to the outside an iron shaft, B, one and a half inches thick, to which two were, a stepping stone to the former. So that the bluing, edges of the tops and bottoms. It is hardly necessary to chains, carrying a heavy… … ly adjusted and replaced, lid emery wheelB are ex- THE AMERICAN STOVE PLATE DRESSING MACHINE. and can be made withom clusively used. difficulty at small expense by any railroad shop. ent plants, is probably caused in large measure by the nitrous In order to polish the outside edges, an additional…
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