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4. Note on the Electrical Conductivity of Saline Solutions
Published online by Cambridge University Press: 15 September 2014
Extract
In the Sitzungsberichte of the Munich Academy, Professor Beetz has recently published a review of a paper by Mr J. A. Ewing and myself on “The Electrical Conductivity of certain Saline Solutions,” which was read before the Royal Society of Edinburgh during the session of 1872–73, and is published in their Transactions. I take the earliest opportunity of discussing the strength of the arguments on which his criticisms are based. Unfortunately, on account of Mr Ewing's being at present in South America, I am unable to communicate with him. I alone am therefore responsible for the contents of the present paper.
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References
page 545 note * Sitzungsberichte der Münchener Akademie, 6. Februar, 1875, pp. 59–70.
page 545 note † Trans. Roy. Soc. Edin., vol. xxvii. part 1, 1872–73, pp. 51–70.
page 545 note ‡ Poggendorff's Annalen, cxvii. 1862, pp. 1–27Google Scholar.
page 545 note § Ibid, cxvii. p. 26.
page 545 note ∥ Ibid, p. 27.
page 546 note * Pogg. Ann. cxvii. p. 3.
page 546 note † Ibid. p. 6.
page 547 note * Monatsberichte der Berliner Akademie, 30. Juli, 1868. p 486. Pogg. Ann. cxxxvi. 1869, p. 489.
page 547 note † Trans. Roy. Soc. Edin., vol. xxvii. part 1, 1872–73, p. 67.
page 547 note ‡ Monatsberichte der Berliner Akademie, 17 Juli, 1856, p. 1.
page 548 note * Monatsberichte der Berliner Akademie, Aug. 4, 1856, p. 15, and Jan. 31, 1859, p. 1.
page 548 note † Göttinger Nachrichten, Nov. 18, 1868, p. 415. Jahresbericht des phys. Vereins zu Frankf. 1867–68, p. 71. Pogg. Ann. cxxxviii. 1869, pp. 280 and 370.
page 550 note * Pogg. Ann. cxxxviii. p. 282, 1869.
page 550 note † Ibid, lxxxv. p. 209, 1852.
page 550 note ‡ See Fleming Jenkins' “Electricity and Magnetism,” p. 198.
page 550 note § P. 58 of our paper.
page 550 note ∥ The mirror and magnets of our galvanometer weighed together only about ·03 grm.
page 552 note * Pogg. Ann., cxvii. p. 26.
page 553 note * Monatsberichte der Berliner Akademie, 30. Juli, 1868, p. 488.
page 553 note † Pogg. Ann. cxvii. 1862, p. 20.
page 553 note ‡ Trans. Roy. Soc. Edin. xxvii. part i. 1872–73, p. 64.
page 554 note * Page 64 of our paper.
page 555 note * Pogg. Ann. cliv. p. 9.
page 555 note † Ibid, cxvii. pp. 6–8.
page 557 note * Pogg. Ann. cxxxviii. p. 376.
page 557 note † Ibid. p. 373.
page 557 note ‡ Ibid. cliv. p. 10.
page 557 note § Ibid. p. 2.
page 558 note * Pogg. Ann. cxxxviii. p. 873.
page 558 note † Ibid. p. 376.
page 558 note ‡ The “perfectly satisfactory agreement” between Kohlrausch and Nippoldt and Paalzow is based also upon comparison of a single pair of observations, the same unwarrantable supposition being made. With regard to this agreement it is interesting to notice the fact that Kohlrausch has lately corrected his first published numbers to the extent of 4 per cent. Paalzow's observed conductivity instead of being a little more than 2 per cent, less than Kohlrausch's, becomes a little less than 2 per cent, greater. If Paalzow were next to make the same discovery there would still be the same agreement, and Professor Beetz' argument would be untouched. Even if such corrections should proceed alternately, ad infinitum, his argument would hold at all stages of the process as well as at the present! It would still be true that Professor Beetz agreed with Kohlrausch and Kohlrausch with Paalzow, and therefore Professor Beetz would be proved to be authoritative. So long as Kohlrausch and Paalzow agree,—it matters not whether in accuracy or in error,—they nevertheless prove Professor Beetz accurate!