Journal - Franklin Institute of the State of Pennsylvania (1826)
Franklin Institute, Philadelphia, Franklin Institute (Philadelphia, Pa.) · [Philadelphia : Franklin Institute] · leaf 91
OTTO … 84 Experiments on Light. passed through the prism, and was refracted on the screen, g I, orviewed by a glass. Some of those lines which traverse the spectrum,were at times visible; but neither these, nor the spectrum itself, suf-fered any perceptible alteration during the passage of the current.…
Science · Technology · Meteorology · Patents
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