| 其他書名 | And Made Easy to Those who Have Not Studied Mathematics. To which are Added, a Plain Method of Finding the Distances of All the Planets from the Sun, ... By James Ferguson, F.R.S. |
| 出版 | T. Longman, B. Law, J. Johnson, G.G.J. & J. Robinson, T. Cadell [and 9 others in London], 1794 |
| URL | http://books.google.com.hk/books?id=zpou0eRnjiEC&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |