Portion of the Moon (Mare serenitatis and Mare tranquillitatis) G.W. Ritchey and F.R. Sullivan
- Made:
- 1901 in Williams Bay
- photographer:
- George Willis Ritchey and F. R. Sullivan
Portion of the Moon (Mare serenitatis and Mare tranquillitatis) G.W. Ritchey and F.R. Sullivan, with 40-inch Yerkes visual refractor, colour screen, and Isochromatic plate, 1901, August 3, age about 18 1/2 days, term, about 44[o] E., exposure, 1/2 sec.
