| 其他書名 | Upon the True Principles of Hydrostatics. Whereby it Manifestly Appears that the Intrinsic Value of Counterfeit Coin May be Ascertained ... By Charles Sommers |
| 出版 | author; and may be had at the Hand and Scales, Fleet-street, 1756 |
| URL | http://books.google.com.hk/books?id=2uJbAAAAQAAJ&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |