One of four photographs in passe-partout frames of Solar Corona taken with Lyot's "Coronagraph" at the observatory at the Pic du Midi, France on , June 22nd 1936 (8 h). One of four photographs in passe-partout frames of Solar Corona taken with Lyot's "Coronagraph"
Glass diapositive, 3 1/4"x3 3/4", of Jupiter. Taken by B. Lyot with 60cm. Refractor at the Pic-du-Midi Observatory at 21h. 15m. on 20th March 1945 Glass diapositive