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Mechanical Union of Metals
1854
Scientific American
31i6 �nbtntiJ)ns+ Mechanical Union of Metal .. There are several sorts of manufactures in which processes for the union of two or more pieces of metal in mechanical contact are in dispensable, and ill which the need of improv
doi:10.1038/scientificamerican07221854-356
fatcat:ks5y3clzkfbjdjgddrxor54foq