| Reference number | NLB/33/31 |
| Alternative reference number | NLB/33 p18 |
| Level | Item |
| Title | Copy letter from Robert William Frederick Harrison, to Dr E P Perman, University College, Cardiff |
| Date | 18 June 1906 |
| Description | The referee of Perman's paper suggests that as many of the results depend on temperature measurements, it might be suggested that the authors should explain more fully how their thermometers were compared with an air thermometer. Asks if Perman would like his paper returned for the insertion of additional details. |
| Extent | 1p |
| Format | Carbon |
| Physical description | Typescript |
| Access status | Open |