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).
Instruction sheet detailing the melting point test result of a condenser sentinel.
| Identifier | ExFiles\Box 52\3\ Scan125 | |
| Date | 7th September 1923 | |
| RR 300 (20 Bks.) (SK 354 5-12-22 MP 264049 X. 4430. 108556 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To C. F. {Mr Friese} C. 7 - 9 - 1923. Order No. Customer's No. J.B.71. Re Re melting point Sentinel The result of the melting point of the 65°C condenser sentinel is +3°C. One of these was taken for test. Signed g.f. This Sheet must be filed on completion of the work. | ||