Van Nostrand's eclectic engineering magazine (1869)
[New York : D. Van Nostrand] · leaf 549
ns. In fact, cast- ings have been known to be rent asunder by this contraction. By the continuance of the external pressure, every internal strain is at once responded to and satis- fied, and the metal is kept compact." Forging. — The steel castings are forged by either the steam hammer, the rolls,…
Engineering
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.
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