. The Annual of scientific discovery: or, Year-book of facts in science and art. Industrial arts -- Yearbooks; Science -- Yearbooks. CHE-MICAL SCIENCE. 273 retained that opinion to the end of his days. In 1815, however, Dr. William Prout, in n memoir on the specific weight of gases, originated the remarkable idea that the atomic weight of bodies, well determined at that time, might be represented by multiples of the weight of hydrogen gas. This hypothe- sis was generally received in England, but not on the Continent, and was shown to be inexact by Turner in 1833. In 1839 and 1810, however, its
. The Annual of scientific discovery: or, Year-book of facts in science and art. Industrial arts -- Yearbooks; Science -- Yearbooks. CHE-MICAL SCIENCE. 273 retained that opinion to the end of his days. In 1815, however, Dr. William Prout, in n memoir on the specific weight of gases, originated the remarkable idea that the atomic weight of bodies, well determined at that time, might be represented by multiples of the weight of hydrogen gas. This hypothe- sis was generally received in England, but not on the Continent, and was shown to be inexact by Turner in 1833. In 1839 and 1810, however, its cor- rectness with respect to carbon was shown by Dumas and Stass; and also, in 1833, with respect to the elements of water, by Erdmann and Marchand; while other chemists arrived at a totally different conclusion. Since then, M. Stass has given the leisure of years to the study of this subject, under- taking his researches in full confidence in the correctness of Front's hypothe- sis. Now, however, he states that he has arrived at the complete conviction that this hypothesis, and all the conclusions derived from it by Dumas and others, are contradicted by experiment, and that there does not exist any common divisor among the weights of simple bodies which unite to form definite 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 Boston : Gould, Kendall, and Lincoln
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