Description of the American Electro Magnetic Telegraph

Description of the American Electro Magnetic Telegraph

Alfred Vail

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Editore: Forgotten Books
Formato: PDF
Testo in en
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  • EAN: 9780243756391

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It is now in a condition to receive the acids, which are two: first, pure nitric acid, and second, sulphuric acid, diluted in the proportion of one part of sulphuric acid to twelve of water. First fill the porous cup with the nitric acid, to within one-quarter of an inch of the top; then fill the glass with the diluted sulphuric acid, till it reaches to a level with the nitric acid in the porous cup. One glass of the battery is now ready for use, and as all the other members of the battery are similarly constructed, (there being many or few, as circumstances require,) and are to be prepared and filled with their appropriate acids in the same manner, the above description will suffice. There remains, however, some further explanation in regard to the extremities of the series of glasses, that is, the mode of connecting the zinc of the first glass with the wire leading from it, and also the mode of connect~ ing the platinum of the last glass with the wire leading from that end of the series of glasses. Figure 4 represents their arrangement.
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