| Reference number | NLB/22/355 |
| Alternative reference number | NLB/22 p208 |
| Level | Item |
| Title | Copy letter from Robert William Frederick Harrison, to Professor [Hugh Longbourne] Callendar, Fellow of the Royal Society |
| Date | 30 April 1901 |
| Description | Asks whether he would be prepared to use an alternating current, with a voltage of 100, instead of a direct current as requested, for his soiree exhibition of the Contraction of Silica at high temperatures. |
| Extent | 1p |
| Format | Carbon |
| Physical description | Manuscript |
| Access status | Open |
Fellows associated with this archive
| Code | Name | Dates |
| NA5307 | Callendar; Hugh Longbourne (1863 - 1930); physicist | 1863 - 1930 |