| Reference number | NLB/22/481 |
| Alternative reference number | NLB/22 p285 |
| Level | Item |
| Title | Copy note from Robert William Frederick Harrison, to Astronomer Royal |
| Date | 22 May 1901 |
| Description | 'Request for an invitation card for the annual visitation of the Royal Observatory.
Letter herewith.'. |
| Extent | 1p |
| Format | Carbon |
| Physical description | Manuscript |
| Access status | Open |