| Reference number | NLB/32/539 |
| Alternative reference number | NLB/32 p304 |
| Level | Item |
| Title | Copy letter from Robert William Frederick Harrison, to [Messrs Harrison & Sons] |
| Date | 28 March 1906 |
| Description | Harrison asks that they prepare electros of figures 4 and 7 from the illustrations to 'Observations and photographs of black and grey soap films' by H Standfield, and send them with their account to the editor of Nature. |
| Extent | 1p |
| Format | Carbon |
| Physical description | Typescript |
| Access status | Open |