PSM V84 D203 Frank Schlesinger
Forfatter/Opretter:
Uncredited
Kredit:
The Popular science monthly, Volume 84, p199. New York, Popular Science Pub. Co., February 1914. Online: archive.org.
Shortlink:
kilde:
størrelse:
1206 x 1671 Pixel (371134 Bytes)
beskrivelse:
Dr. Frank Schlesinger. Vice-president for Mathematics and Astronomy of the American Association, director of the Allegheny Observatory.
Licens:
Public domain
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