| Ref No | DM1306/11/1/2/folio 126-129 |
| Title | Letter from H.H. McMinnies to Isambard Kingdom Brunel |
| Description | Written from London. The letter presents McMinnies' modified views on the potential reasons for a loss of power of the screw propeller, which he has altered based on further consideration following Brunel's opinion, and suggests elements or weather conditions that alter or affect the performance of the screw propeller. |
| Date | 12 June 1855 |
| Format | Manuscript volume |
| Extent | 4 pages |
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| Access Conditions | This material is held at the Brunel Institute - please contact the Brunel Institute to arrange access. |