| RefNo | ACS/1/2/1/643 |
| AltRefNo | 715 |
| Level | Item |
| Title | Letter from [Alan Archibald Campbell] Swinton, to Sir Joseph Petavel |
| Creator | Swinton; Alan Archibald Campbell (1863-1930); British electrical engineer |
| Date | 21 April 1921 |
| Description | Refers to their previous conversation, stating he was much interested to see among the researches in progress at the National Physical Laboratory in the Physics Department No. 4. Cathode Ray and other Furnaces avoiding the use of Carbon. Discusses his work on Cathode Ray Furnaces in detail, and encloses the discourse at the Royal Institution; one of his previous papers "On the Luminosity of the Rare Earths when heated in Vacuo by means of Cathode Rays"; as well as a paper by Sir Charles Parsons and himself on "The Conversion of Diamonds into Coke in High Vacuum by Cathode Rays". Offers to lend Petavel the furnace, if he wishes to try it at the National Physical Laboratory. |
| Extent | 4p |
| Format | Typescript |
| PhysicalDescription | Carbon |
| AccessStatus | Open |
Fellows associated with this archive
| Code | PersonName | Dates |
| NA8285 | Swinton; Alan Archibald Campbell (1863 - 1930); electrical engineer | 1863 - 1930 |
| NA8267 | Petavel; Sir; Joseph Ernest (1873 - 1936); engineer and physicist | 1873 - 1936 |