The scientific papers of Sir William Huggins (1909)
Huggins, William, Sir, 1824-1910, Huggins, Lady, d. 1915 · London, W. Wesley and son · leaf 503
gh 90° when two pieces of wire otdifferent kinds of copper were held between the finger and thumb. For thestars, the images of which in the telescope are points of light, the thermopilesconsisted of one or of two pairs of elements ; a large pile, containing twenty-four pairs of elements, was also… … Tgp^rp;::: • v. ■ ■. ■ ;tr~~ Fig- 55- considered that though some of the heat-rays would not be transmitted bythe glass, yet the more uniform temperature of the air within the telescope,and some other circumstances, would make the difficulty of preserving the pilefrom extraneous influences less…
Astronomy
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