Sammlung von Hitfstafeln der Hamburger Sternwarte in Bergedorf
Subtitle: Cos O [to the power of]h O [to the power of]m - Cos 1[to the power of]h O [to the power of]m.
Contributors: Hamburger Sternwarte.
Publisher: Hamburger Sternwarte
Published: 1935
Place of publication: Bergedorf
Language: ger