| Index Entry | Opera glass, sun spot to be seen with |
| Location | London |
| Citation | EG.768.041 29 Nov-6 Dec 1768:22 (1/19) London. . . October 10. . . There is now to be seen on the sun a very capital spot, discoverable by a common opera glass: Its longest diameter is nearly twice that of Venus, as seen in her transit in the year 1760. |
| Generic Title | Essex Gazette |
| Date | 1768.12.06 |
| Publisher | Hall, Samuel |
| City, State | Salem, MA |
| Year | 1768 |
| Bibliography | B0015966 |