| Filename | Brittain_100_1_2018-06-18_0041 |
| Title | J. A. Sanson in correspondence with R. B. Harkness |
| Front/Back | Front |
| Blank | No |
| Author | J. A. Sanson |
| Date | 1936-04-09 |
| Type | Correspondence |
| Country | Canada |
| State | Ontario |
| County | |
| Township | |
| Lot | |
| Concession | |
| OGSRA Well Ind | No |
| Quality Score | 2 |
| Documentation Score | 3 |
| Description | A handwritten letter discussing the sketches and description of the method using salt water. |