| Reference number | NLB/64/515 |
| Alternative reference number | NLB/64 p293 |
| Level | Item |
| Title | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Dr. [Francis William] Aston, FRS |
| Date | 30 April 1923 |
| Description | Informing that a paper on "A Critical Search for a Heavier Constituent of the Atmosphere by means on the Mass-spectrograph" has been put down for reading |
| Extent | 1p |
| Format | Carbon |
| Access status | Open |
Fellows associated with this archive
| Code | Name | Dates |
| NA6125 | Aston; Francis William (1877 - 1945); physicist | 1877 - 1945 |