nemfrog: Plate B. Naked eye sketches of the lunar eclipse of July 1888. Reports on the observations of the total eclipse of the sun, December 21-22, 1889 and the total eclipse of the moon, July 22, 1888.
nemfrog: Plate B. Naked eye sketches of the lunar eclipse of July 1888. Reports on the observations of the total eclipse of the sun, December 21-22, 1889 and the total eclipse of the moon, July 22, 1888.
