At the time, occultations of the Pleiades by the Moon were important for measuring the correspondence of the Moon's actual position with that predicted by theory.
On August 1, 1906, he became director of the Quito Astronomical Observatory for a few years.
He was director of Algiers Observatory from 1931 to 1938, replacing François Gonnessiat who retired.
His career path mirrored that of Gonnessiat, who had also worked at Lyon, and at the observatories in Quito and Algiers.
At Algiers, one of the staff members working with him was Jean-Louis Lagrula; this may have been his son[citation needed].