The Word Eudiometer

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THE following quotation from J. A. Scherer's “Geschichte der Luftgüteprüfungslehre” (Vienna, 1785), may be of interest in connection with Prof. McLeod's letter on the invention of the word “Eudiometer” (NATURE, vol. xlvii. p. 536). After referring to Fontana's Descrizione ed usi di alcuni stromenti per misurare la salubrità dell' aria” (Florence, 1775), Scherer continues (op. cit., vol. i. p. 153), “Bald nach der Herausgabe der gedachten Instrumente machte Hr. Landriani ein neues bekannt, der erste, der es Eudiometer nannte. Er versichert uns er habe seinen Luftgütemesser von Abt Fontana nicht entlehnt. Daher gehört die Ehre der Reformation des Priestley'schen Instruments Hrn. Landriani, die ihm auch Fontana selbst in zwei Briefen einräumt.”

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HARTOG, P. The Word Eudiometer. Nature 48, 127 (1893) doi:10.1038/048127b0

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