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).
Dimensional drawing for a Harrison bonded core experimental radiator, showing the matrix size and starting handle tunnel position.
| Identifier | ExFiles\Box 149a\2\ scan0044 | |
| Date | 14th July 1932 guessed | |
| 19.90" 25.30" STARTING HANDLE TUNNEL 1.250" 9.95" 1.250" OUTSIDE DIA: TUBE - RESTS ON BOTTOM TANK. NB. MATRIX IS A TRUE RECTANGLE. MATRIX - 58 m.m. DIMENSIONS FOR HARRISON BONDED CORE EXPTL RADIATOR. | ||