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도서 A piece of zinc as large as a pea, or the point of a small iron nail, were found...에 대해 검색한 16개 도서 중 11 - 16
" A piece of zinc as large as a pea, or the point of a small iron nail, were found fully adequate to preserve forty or fifty square inches of copper... "
The Boston Journal of Philosophy and the Arts - 270 페이지
1825
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The Annual Biography and Obituary for the Year ..., 14권

1830
...force, he was encouraged to proceed ; and the were of the most satisfactory kind. A piece of zinc, a& large as a pea, or the point of a small iron nail, was found fully adequate to preserve forty or fifty square inches of copper ; and this, wherever it...
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The Spirit of the English Magazines

1825
...applying them in every possible form and connexion, the results were of the most satisfactory kind. Apiece of zinc as large as a pea, or the point of a small iron nail, was found fully adequate to preserve forty or fifty square inches of copper ; and the result was equally...
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Memoirs of the life of sir Humphry Davy

John Davy - 1836
...discloses. " In pursuing these researches, and applying them to every possible form and connection of sheet copper, the results were of the most satisfactory...large as a pea, or the point of a small iron nail, was found fully adequate to preserve forty or fifty square inches of copper ; and this wherever it...
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Iron: An Illustrated Weekly Journal for Iron and Steel Manufacturers ..., 62권

Sholto Percy - 1855
...precipitate was formed ; but after many weeks, not the smallest portion of copper was found in the water." "A piece of zinc as large as a pea, or the point of...to preserve forty or fifty square inches of copper j and this wherever it was placed, whether at the top, middle, or bottom of the sheet, and whether...
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Van Nostrand's Engineering Magazine, 35권

1886
...by this means. "In pursuing these researches and applying them to every possible form and connection of sheet copper, the results were of the most satisfactory...large as a pea, or the point of a small iron nail, was found fully adequate to preserve forty or fifty square inches of copper, and this wherever it was...
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Engineering Manual for War Department Construction ...

United States. Army. Corps of Engineers - 1946
...This was the first reasoned development of cathodic protection. Davy even developed design criteria: "A piece of zinc as large as a pea, or the point of...preserve forty or fifty square inches of copper." Unfortunately for the development of cathodic protection, the antifouling action of the copper ceased...
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