The Philosophical magazine; a journal of theoretical, experimental and applied physics . ixed togctber, as in making ordinary cbemical solu-tions, mixing alcobol and water, &c.; and if a drop of ink beadded to a glass of clear water, it will be observed to sink down-wards into it in tape-like streams, and eventually to s])read aboutin threads of a more or less cirrous character. This same appearance may be shown more or less distinctly ina multitude of different ways, but the following experiment hasbeen devised and selected as presenting the most complete andstriking representation of a cirro


The Philosophical magazine; a journal of theoretical, experimental and applied physics . ixed togctber, as in making ordinary cbemical solu-tions, mixing alcobol and water, &c.; and if a drop of ink beadded to a glass of clear water, it will be observed to sink down-wards into it in tape-like streams, and eventually to s])read aboutin threads of a more or less cirrous character. This same appearance may be shown more or less distinctly ina multitude of different ways, but the following experiment hasbeen devised and selected as presenting the most complete andstriking representation of a cirrous cloud ; and it was the acci-dental observation of appearances nearly the same as those pro-duced in this experiment which led me to form the present theory. Exp. 1. To about 800 grms. of pure water add 2 or 3 dropsof hydrochloric acid, and 1 gnu. measure of a strong solution ofwhite sugar (spec. grav. of solution 1*15). Warm this to ratherabove 100° F., and pour the greater portion into an ordinary glassbeaker about 5 inches in diameter and 9 or 10 in height (tig. 1). Fix.


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