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).
The timing for experimental car camshafts.
| Identifier | ExFiles\Box 136\1\ scan0036 | |
| Date | 16th May 1933 | |
| To RHC.{R. H. Coverley - Production Engineer} from Hs{Lord Ernest Hives - Chair}/Rn.{Mr Robinson} X411 Hs{Lord Ernest Hives - Chair}/Rn.{Mr Robinson}2/KT.16.5.33. CAR CAMSHAFTS. Will you please note that the Expl. camshafts enumerated below should be timed as follows :- P.II. camshaft Hs.{Lord Ernest Hives - Chair}962 - I.O. 40° B.T.D.C. E.C. 100° A.T.D.C. Bentley camshaft Hs.{Lord Ernest Hives - Chair}971. - I.O. 50° B.T.D.C. E.C. 90° A.T.D.C. Peregrine camshaft Hs.{Lord Ernest Hives - Chair}969 - I.O. T.D.C. E.C. 60° A.T.D.C. Hs{Lord Ernest Hives - Chair}/Rn.{Mr Robinson} | ||