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"
Film diapositive, 6 1/2"x9", of the Moon in the region of Copernicus. B. Lyot and M. Gentili, 60cm. Refractor at the Pic-du-Midi Observatory, 31st May 1944 Film diapositive