| Reference number | NLB/41/566 |
| Alternative reference number | NLB/41 p347 |
| Level | Item |
| Title | Copy letter from Robert William Frederick Harrison, to Mrs A D Waller, Physiological Laboratory, University of London, S.W. |
| Date | 14 January 1910 |
| Description | As it is not practice to lend out original blocks, Harrison is instructing the printers to prepare an electro of the block illustrating Dr [Augustus Desire] Waller's paper on 'The Electromotive Changes connected with the Beat of the Mammalian Heart' for use in his book of lectures. |
| Extent | 1p |
| Format | Carbon |
| Physical description | Typescript |
| Access status | Open |