| RefNo | MS/525/6/6/2/24 |
| Level | Item |
| Title | Letter from Joseph Ernest Petavel, The University, Manchester, to Dugald Clerk, 57, 58 Lincoln's Inn Fields, London |
| Date | 11 March 1915 |
| Description | Explains that there are four possible ways to carry out Petavel's idea: an ordinary tidal mine; an Artful Dodger mine with surface operated escape valve; the same with pressure operated valve; and an oscillating mine with depth control. He describes their advantages and disadvantages. |
| Extent | 3p |
| Format | Typescript |
| AccessStatus | Open |
Fellows associated with this archive
| Code | PersonName | Dates |
| NA8267 | Petavel; Sir; Joseph Ernest (1873 - 1936) | 1873 - 1936 |