Observatory circulars.

Bibliographic Details
Previous Title:	Johannesburg. Transvaal Observatory. Transvaal Observatory circular
Corporate Author:	Johannesburg. Union Observatory
Format:	Serial
Language:	English
Published:	Johannesburg. [publisher not identified] ;
Subjects:	Astronomy > Observations.

Description
Published:	Oct. 1912-
Item Description:	At head of title: Union of South Africa. Title varies slightly.
Physical Description:	32 cm.