Autographed Letter Signed
Place Published: Bourges, France
Date Published: 1929
Description: Very scarce autographed letter signed on the back of a French postal card, 3 x 5 inches, Bourges Observatory, France, November 28, 1929, in French, assuring the recipient that he has in fact sent the issues of the publication requested. Some smudging along the bottom edge; still very good condition.
Comments: French astronomer and meteorologist who initiated the Bourges Observatory. He observed surface features of the Moon and Mars which were published as "A review of astronomical theories and techniques." A crater on Mars is named in his honor.Signed: Y
Book ID: 221013