Phcenixville (Pa.) Bridge able them to solder up ordinary work in a manner as service- muffle is required, while for others the articles are dipped in Works, inclosing a plan of a practicable bridge, from which able, if not so neat, as that dene by the professional. It may melted solder, or melted… … Of all the solders, those formed of differing proportions cf For different purposes, they are mixed in some 250 feet. Messrs. Clarke, Reeves & Co. state, with re- ference to their proposed bridge, that the span is 600 feet. ing.” The principle of soldering consists essentially in cre- shops and…
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