| Ref No | MS 3782/13/9/148 |
| Title | Letter. Joseph Day (Maldon) Matthew Robinson Boulton and James Watt Jr. (—). |
| Level | Item |
| Date | 26 January 1818 |
| Description | "Explanations relative to his invention for measuring intelligence." |
| Access Status | Open |
| AccessConditions | To view this item, see Adam Matthew microfilms reel number 163 |
| Language | English |