Photo of an Observatory Building at McGill College in Montreal, Quebec (1870)

  

Photo of an observatory building at McGill College (now McGill University) in Montreal, Quebec, c. 1870. A heavily renovated/expanded version of the building was demolished in 1963. Originally published as a stereoview by E. & H. T. Anthony & Company. The original caption is: "Magnetic Observatory - McGill College."

Source: J. Paul Getty Museum.

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Photo of a Group Posing in Front of the Georgetown University Astronomical Observatory in Washington DC (1850s)

 

Portrait of a group posing in front of the Georgetown University Astronomical Observatory in Washington, D.C., c. 1855-1860. What looks like a Jesuit priest wearing a straw top hat is posing at left. This is probably the earliest surviving photo of the observatory. Attributed to Titian Ramsay Peale.

Source: National Museum of American History.