MESSRS. EDITORS:--There are some facts in the hardening, tempering and heating of steel articles and tools that are not commonly known or attended to. All ...
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https://www.riss.kr/link?id=O123698868
1859년
eng
학술저널
PHP / Magazines / Correspondence
310 [※수록면이 p5 이하이면, Review, Columns, Editor's Note, Abstract 등일 경우가 있습니다.]
0
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다운로드다국어 초록 (Multilingual Abstract)
MESSRS. EDITORS:--There are some facts in the hardening, tempering and heating of steel articles and tools that are not commonly known or attended to. All ...
MESSRS. EDITORS:--There are some facts in the hardening, tempering and heating of steel articles and tools that are not commonly known or attended to. All workers in steel are, very properly, more or less careful not to injure it by over-heating; but it may as certainly be deteriorated by a toolong continued or a too-often repeated moderate heat. Good new steel, when broken...
Cutting Sugar Cane--Bagasse Furnaces.