| RefNo | MC/21/124 |
| AltRefNo | MC.06124 |
| Level | Item |
| Title | Letter from William Crookes, 7 Kensington Park Gardens, London, to [Robert William Frederick] Harrison |
| Creator | Crookes; William (1832-1919); British chemist |
| Date | 26 June 1906 |
| Description | 'Dear Mr Harrison, I have not the two plates of Spectra. They must be somewhere in your Office. They are two cardboard sheets each 18 x 15 inches with eight spectra on each. Believe me, very truly yours, William Crookes'. |
| Extent | 2p |
| Format | Typescript |
| AccessStatus | Open |