| Reference number | NLB/63/896 |
| Alternative reference number | NLB/63 p512 |
| Level | Item |
| Title | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Mr H. Hirata |
| Date | 19 January 1923 |
| Description | Letter regarding the reading of Mr. Hirata's paper on "Constitution of the X-ray spectra belonging to the L series of elements" |
| Extent | 1p |
| Format | Carbon |
| Access status | Open |