Comet Brooks of 1911 from a negative made with the Bruce Photographic Telescope, Yerkes Observatory,
University of Chicago,
Williams Bay, Wisconsin.
The comet was 66 million miles distant from the earth.
The small streaks are trails of stars
This unused postcard is from the K. C. Kropp Co. Milwaukee.
University of Chicago,
Williams Bay, Wisconsin.
The comet was 66 million miles distant from the earth.
The small streaks are trails of stars
This unused postcard is from the K. C. Kropp Co. Milwaukee.
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