| Reference number | NLB/58/153 |
| Alternative reference number | NLB/58 p85 |
| Level | Item |
| Title | Copy letter from Edwin Deller, Assistant Secretary of the Royal Society; to J. H. Hyde Esquire; Engineering Department, National Physical Laboratory |
| Date | 20 March 1920 |
| Description | Refers to Mr. J. H. Hyde's paper on viscosities. Explains that the Society are unable to carry out all the changes he desires for his blocks, and only the one or two essential corrections shall be made. |
| Extent | 1p |
| Format | Carbon |
| Access status | Open |