A real photo postcard of Andrew Carnegie and George Ellery Hale shown at the Mount Wilson Observatory; image credit on full record.
image credit on full record.
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Postcard; Carnegie (Andrew), Mount Wilson Observatory Telescope, Real Photo.
A real photo post card picturing Andrew Carnegie and George Ellery Hale, American, 1st quarter-20th century. In front of the 60 inch telescope, Mount ... [more detail available via subscription]
