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).
Blueprint showing the position of the starting handle tube within the Marston radiator matrix.
| Identifier | ExFiles\Box 149a\2\ scan0094 | |
| Date | 5th December 1932 guessed | |
| POSITION OF STARTING HANDLE TUBE "MARSTON" RADIATOR MATRIX. 19.700 24.000 FLAT SIDE OF SQUARE (FLUSH WITH BOTTOM OF MATRIX.) | ||