| Reference number | NLB/71/372 |
| Alternative reference number | NLB/71 p190 |
| Level | Item |
| Title | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to the Engineer in Chief, General Post Office |
| Date | 26 April 1928 |
| Description | Forwards 6 blank invitation cards to the 17 May Conversazione [Soiree]. Asks for them to distributed to Senior Engineers of the Post Office. [Enclosure not present]. |
| Extent | 1p |
| Format | Carbon |
| Access status | Open |