Portion of the Moon (rough crater region above Mare Nubium) G.W. Ritchey and by F.R. Sullivan, with 40-inch Yerkes visual refractor colour screen, and isochromatic plate, 1901, November 21, age about 10 1/2 days, term about -38[o]m., exposure, 1 sec. Portion of the Moon; crater region above Mare Nubium
Glass positive:- E.E. Barnard, Mount Wilson Observatory, 1911, November 19, 60-inch Reflector, equivalent focal length, 100ft Glass positive:- E.E. Barnard
Engraving of the near side of the moon by J. Russell R.A., London, England, 1806. Print based on observations made by Russell at the telescope when the moon was fully illuminated. Engraving of the near side of the moon by J. Russell R.A.
SEC vidicon camera tube - identical to one used in IUE (international ultra-violet explorer) satellite