Total eclipse of the sun, May 20, 1947
By: Issued by the Nautical Almanac Office, United States Naval Observatory under the authority of the secretary of the Navy.
Series: Its American ephemeris, 1947. Supplement
Publisher: U.S. Govt. Print. Off.
Published: 1946
Place of publication: Washington
Language: eng
Number of pages: 48
Subjects: Solar eclipses -- 1947.