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Planets of the solar system
Trifid Nebula, 1874
Planets of the solar system (animated)
Francis G. du Pont telescope and observatory
Catalog of Optical, Physical, Astrophysical, and Astronomical Instruments
Astronomical Department: Telescopes, Equatorial Mountings
Bailey's astral lantern : invented by F.H. Bailey, manufactured by the New England School Furnishing Co.
Chronographs and accessories