ctrum. We have produced from that hot water. Although you cannot see them, they are this by means of prisms of liquid, but I must now make use coming down as the rays of light which were given off from of a prism of glass, or else have only one of the liquid prisms instead of two. I want to give… … now far finer methods, and with the electric lamp which you It is hot compared with the freezing mixture, and that pile Fig. 1 represents a tube bent into the form of a compound now see before you, we went over these colors with a thermo- radiates its heat against this lower mirror ; the heat is…
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