Report on the chemical examination of several waters for the City of Boston / [Benjamin Silliman].

  • Silliman, Benjamin, 1816-1885
Date:
1845
Catalogue details

Licence: Public Domain Mark

Credit: Report on the chemical examination of several waters for the City of Boston / [Benjamin Silliman]. Source: Wellcome Collection.

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    ON THE CHEMICAL EXAMINATION OF SEVERAL WATERS FOR THE CITY OF BOSTON, BY B. SILLIMAN, JR. To Walter II. Johnson, Esq., One of the Commissioners appointed to consider the subject of supplying the City of Boston with pure water. Dear Sir,—-On the 12th of September last, I received from your hands ten samples of water for chemical examination and analysis, and having completed my researches in the best manner in my power in the time allotted, now beg leave to make the following REPORT. The waters were handed to me by numbers only, without any designation of their localities, and I still remain igno¬ rant of their sources. They were contained in glass bot¬ tles, holding about 2| gallons each and fitted with well ground glass stoppers. I was informed that the bottles had been filled at the various points from which the water was taken, and that they had not been exposed to the action of the air since they had been collected. I will first give a general description of the waters as regards their transpar¬ ency, color, smell and taste ; then their behavior with the va¬ rious chemical reagents employed to ascertain their contents j a