 | 1824 - 726 Seiten
...satisfactory kind. A piece of zinc as large as a pen, or the point of a small iron nail, were found fully adequate to preserve forty or fifty square inches...wherever it was placed, whether at the top, bottom, or in the middle of the sheet of copper, and whether the copper was straight or bent, or made into coils.... | |
 | Perry Fairfax Nursey - 1824 - 470 Seiten
...satisfactory kind. 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...wherever it was placed, whether at the top, bottom, or in the middle of the sheet of copper, and whether the copper was straight or bent, or made into coils.... | |
 | 1824 - 528 Seiten
...satisfactory kind. 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...wherever it was placed, whether at the top, bottom, or in the middle of the sheet of copper, and whether the copper was straight or bent, or made into coils.... | |
 | 1824 - 512 Seiten
...satisfactory kind. 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; and this, whereever it was placed, whether at the top, bottom, or in the middle of the sheet of copper, and whether... | |
 | 1824 - 514 Seiten
...satisfactory kind. 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; and this, whereever it was placed, whether at the top, bottom, or in the middle of the sheet of copper, and whether... | |
 | 1825 - 630 Seiten
...satisfactory kind. 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...wherever it was placed, whether at the top, bottom, or in the middle of the sheet of copper, and whether the copper was straight or bent or made into coils.... | |
 | Edward Turner - 1828 - 516 Seiten
...completely prevented. A piece of zinc as large as a pea, or the head of a small round nail, was found fully adequate to preserve forty or fifty square inches...whether at the top, bottom, or middle of the sheet of copper, or under whatever form it was used. And when the connexion between different pieces of copper... | |
 | Edmund Burke - 1830 - 986 Seiten
...satisfactory kind. A piece 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...wherever it was placed, whether at the top, bottom, or in the middle of the sheet of copper, and whether the copper was straight or bent, or made into coils.... | |
 | 1830 - 504 Seiten
...satisfactory kind. A piece 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...wherever it was placed, whether at the top, bottom, or in the middle of the sheet of copper, and whether the copper was straight or bent, or made into coils.... | |
 | 1830 - 494 Seiten
...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...wherever it was placed, whether at the top, bottom, or in the middle of the sheet of copper, and whether the copper was straight or bent, or made into coils.... | |
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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 ; and this, wherever it was placed, whether at the top, bottom, or in the middle of the sheet of copper,... 
