A text-book on chemistry. For the use of schools and colleges (1866)
Draper, Henry, 1837-1882 · New York, Harper & brothers · leaf 118
y or dark, but on examining it suchwill not be found to be the case. The shadowwill be found to consist of a series of light anddark stripes, as represented in Fig. 81. In itsmiddle, at e, Figs. 80 and 81, there is a white stripe;this is succeeded on each side by a dark one, this againby a bright… … 106 IXTERFEKENCE OF LIGHT. Upon the modulatory theory all this is readily ex-plained. Sounds easily double round a corner, and areheard though an obstacle intervene. Waves upon wa-ter pass round to the back of an object on which theyimpinge, and the undulations of light in the same man-ner flow…
Chemistry · Physics
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