| Reference number | NLB/73/275 |
| Alternative reference number | NLB/73 p137 |
| Level | Item |
| Title | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to the Director, National Physical Laboratory |
| Date | 25 April 1931 |
| Description | Informs the Director of the National Physical Laboratory that space has been alloted to 3 exhibits for the 20 May [1931] Soiree. Theses are;
1-Lens Interferograms
2- An autographic apparatus for determining Inflection Points in Magnetic Susceptibility Temperature Curves.
3- Photographs showing the application of the method of the X-Ray crystals analysis to industrial problems. |
| Extent | 1p |
| Format | Carbon |
| Access status | Open |