Page:Popular Science Monthly Volume 60.djvu/252

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POPULAR SCIENCE MONTHLY.
PSM V60 D252 Solar spectrum 10 seconds after totality.png
Fig. 1. Solar Spectrum. 10s after Totality, Enlargement. Made by Professor E. B. Frost. Eclipse of May 28, 1900.
PSM V60 D252 Flash spectrum at second contact.png
Fig. 2. Flash Spectrum at Second Contact. Made by Professor Frost. Eclipse of may 28, 1900.