Effect of use upon the quality of iron
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C.
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Article
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1880
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Elsevier Science
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English
β 52 KB
~ect of Use on 5"o~. 417 top one will slide off by its own weight at the least inclination of the lower one. β’ ~Β’[uch of this interposed fihn of air can be displaced by a sliding of one plate on the other, starting, say at one corner, with the plates in close contact, and carefhlly pushing one over