| Heliometer Observations for Determination of Stellar Parallax Made at the Royal Observatory, Cape of Good Hope (Classic Reprint) | | | Author:
| Gill, David | | ISBN: | 978-0-265-97365-3 | | Publication Date: | Oct 2017 | | Publisher: | Forgotten Books
| | Book Format: | Hardback | | List Price: | USD $27.82 |
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