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Spectroscopes Picture

Spectroscopes

Spectroscopes. Plate 11 in “Astronomical Engravings Prepared at Harvard College Observatory 1872-75.” NOAA Central Library Rare Book, Call No. QB86.H3 1876.

Author: NOAA Central Library Historical Collections/ NOAA

License: Public Domain Mark 1.0 (Public domain)
498 x 640 33.01 KB
996 x 1280 123.69 KB
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2395 x 3078 679.28 KB
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Added On
18th October 2015
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