| Reference number | MC/27/269 |
| Alternative reference number | 12269 |
| Level | Item |
| Title | Letter from The Academy of Natural Sciences of Philadelphia, to the [Royal Society] |
| Creator | The Academy of Natural Sciences of Philadelphia |
| Date | 1912 |
| Description | Cordial gratitude to the Royal Society from The Academy of Natural Sciences of Philadelphia upon its centenary celebration. |
| Extent | 1p |
| Format | Typescript |
| Physical description | Carbon |
| Access status | Open |