Word: spectrum
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Dates: during 1880-1889
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...known, the moon's position was ascertained more accurately than it has been heretofore. In addition to this work in co-operation with the Russian observers, a special effort was made to obtain photographs of the moon in the various stages of the eclipse. Photographs of the moon's spectrum were also taken, and these contribute in an indirect way to the study of light, the immediate result being a determination of colors...
...schooners, remplis. Above appears the crest, - a casque (argent), which seems to have some connection with the schooners beneath. Below the main device is found a chestnut (brun), which is bound with chains, evidently to prevent its being given away. The colors employed exhaust the resources of the spectrum, and makes this coat of arms rival the traditional coat of Joseph...
Prof. Jackson's lecture last evening on "Spectrum Analysis" was attended by about one hundred students and three ladies...
Prof. Jackson's lecture on "Spectrum Analysis" last evening was well attended by men taking chemistry courses. The lecture was very entertaining, and was listened to throughout with great interest. Prof. Jackson illustrated his subject with a large number of stereopticon views and quite a display of apparatus. At the close of the lecture the appreciation of the audience was signified by prolonged applause...
Prof. Jackson will deliver a lecture on "Spectrum Analysis," this evening at 7.45, in Boylston...