Lockyer, Norman, Sir, 1836-1920. n 86860325 · London : Kegan Paul. Trench, Trubner & Co. · leaf 24
Shidies in Spectiwn Analysis. 6 Now these appearances are as if there were an actual outpouring of water from the cavity made by the stone ; but if we strew small pieces of paper or other light material on the water surface before we drop the stone, we find that it is not the water which moves… … I i<». 1. Superposition of two wave-systems. but only the state of things— the wave. Each particle of water moves in a circular or elliptic path in a vertical p ane lying along the direction of the wave, and so comes again to its original place. Hence it is that only
Spectrum analysis · Color
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