Helwan Observatory Bulletins
| Author | : Ḥulwān (Egypt) al-Marsad |
| Publisher | : |
| Total Pages | : 374 |
| Release | : 1923 |
| ISBN-10 | : UOM:39015035818338 |
| ISBN-13 | : |
| Rating | : 4/5 ( Downloads) |
Book Synopsis Helwan Observatory Bulletins by : Ḥulwān (Egypt) al-Marsad
Download or read book Helwan Observatory Bulletins written by Ḥulwān (Egypt) al-Marsad and published by . This book was released on 1923 with total page 374 pages. Available in PDF, EPUB and Kindle. Book excerpt:
