Elements of chemistry : theoretical and practical / by William Allen Miller ; revised by Herbert McLeod.

  • William Allen Miller
Date:
1877-1878
Catalogue details

Licence: Public Domain Mark

Credit: Elements of chemistry : theoretical and practical / by William Allen Miller ; revised by Herbert McLeod. Source: Wellcome Collection.

    12/764 page 8
    I Viii ADVERTISEMENT TO THE FOURTH EDITION. is increasing yearly. There is, tlierefore, a probabilit}' that the metrical system will be generally used by men of science, and this can be said of no other system of weights and measures. I have, therefore, thought it right to intro- duce it side by side with our own, in order to familiarize the student with its units. The volume has also received various additions of ' greater or less importance, such as the progress of science demanded. A considerable portion of the introductory chapter has been re-written. Among the larger additions may be mentioned an account of the researches of Deville and of Graham upon the permeation of metallic septa by gases, at elevated temperatures; and the results obtained by Gladstone and Dale, and by Landolt upon the con- nexion of the optical properties of bodies with their chemical composition. Considerable additions have been made to the Section on Spectrum Analysis; and the Chapter on the Photographic Actions of Light has been transferred from the second volume, in order that it may be considered along with the other phenomena of light described in the present part. Some account of the British Association standard of electrical resistance, as well as of the machines of Holmes and of Wilde for pro- ducing light by magneto-electric currents, will also be found in their appropriate places.
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