| Reference number | NLB/19/3 |
| Alternative reference number | NLB/19 p2 |
| Level | Item |
| Title | Copy letter from Robert William Frederick Harrison, to the Secretaries of the Joint Permanent Eclipse Committee, Royal Astronomical Society, Burlington House, W. |
| Date | 1 June 1899 |
| Description | Encloses for information a circular letter received from the United States Naval Observatory with reference to the admission, free of duty, of instruments of foreign astronomers who may visit America to observe the total solar eclipse of 1900. |
| Extent | 1p |
| Format | Carbon |
| Physical description | Typescript |
| Access status | Open |