Allegheny Observatory Records

What’s online?

The Allegheny Observatory online collection contains images from 1895 through 1935 showing many of the instruments used at the observatory, members of the Allegheny Telescope Association, and influential contributors to the field of astronomy, such as John A. Brashear, a telescope lens maker. Exterior and interior views of the original and second Allegheny Observatory are also included.

Images were selected that depict the construction of the Observatory, and its equipment, experiments, inventors and directors who made the observatory a leader in its field. Read more...

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