General Astronomy
Legal full-text edition
General Astronomy
NATURAL SCIENCESAstronomy. Astrophysics. Space research.GeodesyAstronomical instruments and techniques
Rights
Public-domain status shown for US. Open Library Read API reports full access; scan publication year 1924 is within the US public-domain cutoff
Public-domain status shown for US. Open Library Read API reports full access; scan publication year 1924 is within the US public-domain cutoff