11 Dec
2017
11 Dec
'17
1 a.m.
Auroræ: Their Characters and Spectra, by J. Rand Capron 56159 [Link: http://www.gutenberg.org/5/6/1/5/56159 ] [Files: ; 56159-0.txt; 56159-h.htm] Thanks to Chris Curnow and the Online Distributed Proofreading Team at http://www.pgdp.net (This file was produced from images generously made available by The Internet Archive) Regards, Al