Photograph film positive, 16" x 20", portion of the Moon,...
Photograph film positive, 16" x 20", portion of the Moon, ph
Photograph film positive, 16" x 20", portion of the Moon, photograph with the 100-inch Hooker Telescope of the Mount Wilson Observatory; Mare Imbrium, Apennines, Alps: including Copernicus, Archimedes, Plato, size of image 14 1/2" x 18 1/2"