| Reference number | NLB/18/418 |
| Alternative reference number | NLB/18 p235 |
| Level | Item |
| Title | Copy letter from an unknown correspondent, to [Professor Callendar] |
| Date | 7 March 1899 |
| Description | 'The Assistant Secretary present his compliments to Professor Callendar, and would be obliged if he would forward the enclosed letter [not enclosed] to Mr H T Barnes'. |
| Extent | 1p |
| Format | Carbon |
| Physical description | Manuscript |
| Access status | Open |