From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
The modification of Goshawk condenser sentinel supports with fusible metal.
| Identifier | ExFiles\Box 52\3\ Scan121 | |
| Date | 30th August 1923 | |
| X4430 To H1. from EFC. {E. Fowler Clarke - Electrical Engineer} EFC {E. Fowler Clarke - Electrical Engineer} 4/T30.8.23. X.4430 - GOSHAWK CONDENSER. Herewith half a dozen condenser sentinel supports. Will you kindly have 65° globules of fusible metal put on each cross arm, opposite to the shank. EFC. {E. Fowler Clarke - Electrical Engineer} | ||