A course of six lectures on the chemical history of a candle : to which is added, a lecture on platinum / by Michael Faraday ; edited by William Crookes.

  • Michael Faraday
Date:
1865
Catalogue details

Licence: Public Domain Mark

Credit: A course of six lectures on the chemical history of a candle : to which is added, a lecture on platinum / by Michael Faraday ; edited by William Crookes. Source: Wellcome Collection.

Provider: This material has been provided by the Woodruff Health Sciences Center Library at Emory University, through the Medical Heritage Library. The original may be consulted at the Woodruff Health Sciences Center Library, Emory University.

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    about to make a flame in such, an easy and simple manner as shall best serve my present purpose. This plate shall be the cup, we will so say, of the candle; this spirit shall be our fuel; and I am about to place this chimney over it, because it is better for me to do so than to let things proceed at random. Mr. Anderson will now light the fuel, and here at the top we shall get the results of the combustion. What we get at the top of that tube is exactly the same, generally speaking, as you get from the combustion of a candle; but we do not get a luminous flame here, because we use a substance which is feeble in carbon. I am about to put this balloon—not into action, because that is not my object,—but to show you the effect which results from the action of those products which arise from the candle, as they arise here from the furnace. [The balloon was held over the chimney, when it immediately commenced to fill.] You see how it is disposed to ascend; but we must not let it up, because it might come in contact with those upper gas-lights, and that would be very inconvenient. [The upper gas-lights were turned out, at the request of the Lecturer, and the balloon was allowed to