Word: flame
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Dates: during 1880-1889
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...method the spectra of various metals were obtained by burning the metal in the flame of a Bunser lamp placed before the slit of a spectroscope which had one prism. As a consequence the lines of the spectra were crowded together and confused. The modern method of observing spectra is by taking photographs in the spectroscope and composing the result with a photograph of the Sun's spectrum...
...said, to put up the advertising board for his own sole notification each week, calling himself to order, proceeding conscientiously with his solitary rehearsal, practicing upon his flute his accustomed part until the hour of duty was complete, and so striving, not in vain, to keep the sacred flame alive. One might say with perfect truth that the Pierian Sodality attended those rehearsal...
Last night was unusually dismal at the sanctum. The wind scurried about, shaking the doors, rattling the windows, and fluttering the files of exchanges. The Board had the blues. Once the Poet (Fact and Rumor Man) as he glanced up at the two-forked flame which sputtered despairingly from the single gas burner, allowed his melancholy spirit to express itself. "Our only light comes from a cloven hoof," he said, grimly...
...Signal Service by Prof. Trowbridge on the subject of atmospheric electricity with a view to learn its value for meteorological purposes. The method employed was that known as the Thompson one and required very delicate instruments. The result is that a beam of light from a gas flame is reflected from a mirror upon a prepared sheet of sensitried paper and the record of any change in the place of an electric needle is thus obtained by photography. The apparatus in use has several new points in its arrangements that will undoubtedly be of great value for future work...
Then from his patriot tongue of flame...