| Reference number | NLB/72/133 |
| Alternative reference number | NLB/72 p69 |
| Level | Item |
| Title | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to the Secretary of the Aeronautical Research Committee; National Physical Laboratory |
| Date | 17 April 1929 |
| Description | Gives the Aeronautical Research Committee permission to reproduce the paper by [Herbert John] Gough on 'The behaviour of a single crystal of zinc subjected to alternating torsional stresses' in their Reports and Memoranda Series. |
| Extent | 1p |
| Format | Carbon |
| Access status | Open |