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).
Instructions for cleaning radiators with 'Kleenwell' and a recommendation to use soft water to prevent choking.
| Identifier | ExFiles\Box 24\5\ Scan148 | |
| Date | 24th January 1928 guessed | |
| contd :- -3- vigorously with the mixture inside at 60º - 70ºC for half an hour or so. If not sufficient the treatment should be repeated. If pressed for time, the mixture may be inserted in the system, having become a solution, and circulated by running the engine - we have ascertained that "Kleenwell" does not attack the rubber hose to any extent. After treatment in every case the system should be thoroughly cleansed with quantities of water. The Repair Department state that the choking of radiators is frequently acute in certain districts owing to peculiarities in the water supply. Under these circumstances it is as well to impress upon such owners the necessity for using soft water as recommended in the Instruction Book. ------------- Hs{Lord Ernest Hives - Chair}/Rn.{Mr Robinson} | ||