Lectures on light, delivered in the United States in 1872-'73; with an appendix (1873)
Tyndall, John, 1820-1893 · New York, Appleton · leaf 89
and piling a freezing mixturein the vessel (B) round the flask, the liquid column falls,thus showing the contraction of the water by the cold.But let the freezing mixture continue to act: the fall-ing of the column continues to a certain point; it thenceases. The top of the column remains… … Projection of experiment: E Is the nozzle of the lamp, L a conrerging lens, andi i the image of the liquid column. time over the top of the tube. Tlic freezing mixture hashere produced to all appearance the same effect as theflame. In the case of water, contraction by cold ceasesand expansion by…
Optics
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