The Half-Yearly Abstract of the Medical Sciences, Vol. 37

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Excerpt from The Half-Yearly Abstract of the Medical Sciences, Vol. 37: Being a Practical and Analytical Digest of the Contents of the Principal British and Continental Medical Works Published in the Preceding Six Months, January-June, 1863 Take any number of tumblers, fill up one with distilled water, another with ordinary drinking water from a pump, rain-water butt, or other supply, and the rest with various samples of water more or less contaminated with organic impurities, such as sewage water. Add to each of them, drop by drop, Condy's Fluid (crimson) till the contents begin to assume a decidedly pink hue. This effect will be produced, in the case of the distilled water, if pure, by a. Single drop, more will be required by the drinking water, which, after standing a little while, will show some signs of muddiness, and a still larger portion by the other samples, in which a brown preci pitate will soon form. The quantity of ¿uid required, and the amount of muddiness produced in each, will be the measure of the relative impurity of the several waters. This experiment may be repeated with other deodorizing ¿uids, and the results contrasted with those produced by Condy's. By having a separate set of glasses for each of the deodorizers to be tried against one another, the comparison will of course be more conclusive. To prove tile permanent nature (j the action of Candy's Fluid. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully, any imperfections that remain are intentionally left to preserve the state of such historical works.