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).
Cablegram discussing the performance of a pancake cylinder head compared to other types.
| Identifier | ExFiles\Box 173\2\ img201 | |
| Date | 3rd March 1954 | |
| Form No. 6. usa WESTERN UNION (THE WESTERN UNION TELEGRAPH COMPANY) CABLEGRAM ANGLO-AMERICAN TELEGRAPH Co., Ld. CANADIAN NATIONAL TELEGRAPHS. SPRING-GARDENS, S.W.1. TELEPHONE CENTRAL 2754 TELEX CENTRAL 2850 1954 MAR 3 AM 7 45 RECEIVED NLT ROYCAR DERBY ROLLS ROYCE LTD NIGHTENGALE ROAD DERBY HIVES LANGLEY CONSIDER OUR PANCAKE CYLINDER HEAD FUNDAMENTALLY HARDLY INFERIOR TO OTHER TYPES FOR DETONATION PENT ROOF ADVANTAGES BETTER VOLUMETRIC AND ROOM FOR VALVES BETWEEN VALVES CURES CRACKS FIVE CIRCUMFERENTIAL PLUGS TESTED TWO DIAMETRICALLY OPPOSITE STILL GIVE OPTIMUM RESULT HOPE YOU TESTES LARGER EXHAUST VALVES ROBOTHAM | ||