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).
Laboratory report on the chemical analysis of a deposit from filter 23FX.
| Identifier | ExFiles\Box 11\3\ 03-page080 | |
| Date | 5th May 1930 | |
| Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} H13/HC.5.5.30. *7940- Laboratory. Report No.L1829 Re Deposit from filter 23FX. Re Hs{Lord Ernest Hives - Chair}/Rm{William Robotham - Chief Engineer}1/1W30.4.30. The approximate analysis of the deposit is as follows :- Disintegrated Rubber 50 % Aluminium Turnings 20 % Aluminium Oxide (hydrated) 20 % Iron Oxide (hydrated) 5 % Copper and Zinc Oxides 5 % It would appear from this analysis that the galvanising is protecting the cylinder block, efficiently, from corrosion, and it is of course evident that this deposit is in no way attributable to the protective measures. H1. HC [Stamp: RECEIVED 11 MAY 1930] | ||