Lantern Slide 41: View of the front of the old... 02.17.2021 | Photo by Morgan Aronson Lantern Slide 41: View of the front of the old observatory taken in 1964.
Lantern Slide 33: Present view of location of the... 02.17.2021 | Photo by Morgan Aronson Lantern Slide 33: Present view of location of the Braddock Stone with old observatory grounds in view.
Lantern Slide 22: A drawing of Washington in the... 02.17.2021 | Photo by Morgan Aronson Lantern Slide 22: A drawing of Washington in the late 1800s.
Lantern Slide 6: The Capitol Building as seen from... 02.17.2021 | Photo by Morgan Aronson Lantern Slide 6: The Capitol Building as seen from Pennsylvania Avenue in 1831. While this was being built, Congress met in the “Brick...
Lantern Slide 65: The 1874 Transit of Venus party... 02.17.2021 | Photo by Morgan Aronson Lantern Slide 65: The 1874 Transit of Venus party at the Old Observatory. The 26-inch refractor building in the background. Admiral Davis is...
