. Smithsonian miscellaneous collections. Aa V- ^?^--f- K-r-^-^i X Ultra-violet- Holographs of the Solar Energy Spectrum. Observed at Montezuma. Chik-. July water, centimeters. VOL. 82 NO. 3, PL. 2.

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Keywords: ., bookauthorsm, bookcentury1800, bookdecade1860, booksubjectscience