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).
Breakdown of net weight savings on Continental Caron Cooling Section components.
| Identifier | ExFiles\Box 92\6\ scan0114 | |
| Date | 5th February 1937 guessed | |
| Rm{William Robotham - Chief Engineer} from Rm{William Robotham - Chief Engineer}/Std. Nett Weight Savings on Continental Caron Cooling Section etc. (1) Radiator. | | Wt. Saving. | Saving as | | :--- | :--- | :--- | | | lbs. | ozs. | % of Std. | | Matrix unit - top and bottom tanks etc. | 25 | 0 | 19.2 % | | Water. | 4 | 6 | 26.0 % | | Total. | 29 | 6 | 20% | (2) Water Connections. CYlinder head end outlets instead of top rails. (3) Bonnet. | | 10 | 12 | 18% | | Grand Total. | 40 | 2 | | | :--- | :--- | :--- | :--- | | say 40 lbs. | | | | | ||