. Carnegie Institution of Washington publication. VOLTAIC POTENTIAL DIFFERENCE BETWEEN CONDUCTORS. 8l TABLE 25. — Voltaic contacts, Al-Zn, Al-Cu, A1-A1. Four-sec, intervals (usually) between observations for V. Scale part cm. = volt. 1^0 = cm. Positive needle. Radium I to V. # = Xio + 8. V ' for Al-Z: i. V ' for Al-Ci i. V r for Al-A 1. Zn to earth. Al to earth. Zn to earth. Cu to earth. Alto earth. Cu to earth. Shell to earth. Core to earth. Shell to earth. — — + + + — .0 .0 — .0 . i . i . i .0 .0 .0 — . 2 •4 . I - -5 •7 - -5 .0 . i .0 •3 .
. Carnegie Institution of Washington publication. VOLTAIC POTENTIAL DIFFERENCE BETWEEN CONDUCTORS. 8l TABLE 25. — Voltaic contacts, Al-Zn, Al-Cu, A1-A1. Four-sec, intervals (usually) between observations for V. Scale part cm. = volt. 1^0 = cm. Positive needle. Radium I to V. # = Xio + 8. V ' for Al-Z: i. V ' for Al-Ci i. V r for Al-A 1. Zn to earth. Al to earth. Zn to earth. Cu to earth. Alto earth. Cu to earth. Shell to earth. Core to earth. Shell to earth. — — + + + — .0 .0 — .0 . i . i . i .0 .0 .0 — . 2 •4 . I - -5 •7 - -5 .0 . i .0 •3 .8 • 3 -i-3 .0 •3 . i - -5 i-3 - -3 — . i .6 . 2 - -7 i-7 - -5 3-5 . 2 .8 •3 - -9 - .6 -3-2 4-2 -3-i •3 •9 •4 - .0 2. 2 • 7 -3-7 4-7 -3-5 • 3 . i •4 - .0 2-4 • 7 5-i -3-8 •4 . 2 •5 - . i 2-5 - .8 -4-2 5-4 •4 •3 •5 - . i - .8 5-7 -4-3 • 5 • 5 • 5 — . i - -9 5-9 • 5 .6 .6 — . 2 - -9 -4-7 -4-5 .6 i-7 .6 — - -9 6-3 -4-7 .6 .6 — - -9 -4-9 6-5 .6 i-9 .6 -i-3 - -9 -5-0 *.6 i-9 .6 * — 1-3 *3-° — i .0 *5-3 * *— 5-2 i-9 *.8 * *5-3 * *-5-2 *2. I .8 * After further 60 FIG. 29.—Variation of potential (cm. of scale) in the lapse of seconds for aluminum-copper, aluminum-zinc, and aluminum-aluminum condensers. Subscript zeros show the earthed Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Carnegie Institution of Washington. Washington, Carnegie Institution of Washington
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