| Reference number | NLB/52/177 |
| Alternative reference number | NLB/52 p102 |
| Level | Item |
| Title | Copy letter from [Robert William Frederick Harrison, Assistant Secretary of the Royal Society]; to The Controller of the London Telephone Service; 144 A Queen Victoria Street, E.C. |
| Date | 6 October 1915 |
| Description | 'The Controller of the London Telephone Services
his A/c --------
5th instant, relating to "Trunk Services".' |
| Extent | 1p |
| Format | Carbon |
| Access status | Open |