Compton, Alfred G. (Alfred George), 1835-1913 · New York : J. Wiley & Sons · leaf 182
168 FIRST LESSONS IN METAL-WORKING. The exercises 45 to 50 illustrate the principal methods of uniting small pieces by means of soft solder, or such as melts at temperatures below about 450° F. Joints with such solder are, as you have found, not very strong, and when great strength is important, or… … of copper and zinc, or of copper and silver, called silver solder. They require a higher temperature to fuse them, and the management of them, which is somewhat more difficult than that of the soft solders, may be deferred to a later stage in your study, along with brazing and burning.
Metal-work
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