| 其他書名 | Containing an Explanation of Their Principles and Tables, and a New Method of Working Trigonometry by Memory, which is Very Useful in Surveying |
| 出版 | John C. Totten, no.9 Bowery., 1818 |
| URL | http://books.google.com.hk/books?id=e5NEAQAAMAAJ&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |