| Reference number | NLB/55/156 |
| Alternative reference number | NLB/55 p84 |
| Level | Item |
| Title | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to Colonel R.E. Crompton |
| Date | 21 December 1917 |
| Description | Letter informing Colonel Crompton that he has been appointed to serve on the General Board and Executive Committee of the National Physical Laboratory for a further period of 6 years |
| Extent | 1p |
| Format | Carbon |
| Access status | Open |