| Reference number | NLB/61/420 |
| Alternative reference number | NLB/61 p244 |
| Level | Item |
| Title | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to A. C. Egerton Esquire; 16 Linton Road, Oxford |
| Date | 4 July 1921 |
| Description | Informs Mr. A. C. Egerton that they have instructed their printers to insert his leaflet of tables of physical constants in their next 'Proceedings A'. Asks that he send 1000 copies of this leaflet to Harrison & Sons accordingly. |
| Extent | 1p |
| Format | Carbon |
| Access status | Open |