Appleton's dictionary of machines, mechanics, engine-work, and engineering (1869)
New York, Appleton · leaf 415
inishes the strength ol that sound. Tin , ible than lead; it melts at 440°. It is very volatile, and burns in fire, fi i ii le of tin, or putty of tin. The most extensive use of tin i; in the manufacture of tin Elate, for which purpose a very pure tin is required; it is further employed for making… … MICROMKTKIi. 409 first concen imping and washing, which is so much the i . I a high specific gravity, almost equal to galena. The roasting is invariably . . nace, which is a tedious operation, and n beat; if this operation i- not w< M p it-formed, much trouble and loss is met with in smelting.…
Mechanical engineering
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