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).
Page with handwritten instructions regarding bearing modifications and test data observations.
| Identifier | ExFiles\Box 173\1\ img405 | |
| Date | 30th January 1934 guessed | |
| To HH from RHC{R. H. Coverley - Production Engineer} -2- See test data attached. RHC{R. H. Coverley - Production Engineer} Tests observed by R.{Sir Henry Royce} H.{Arthur M. Hanbury - Head Complaints} Coverly for R.R. Ltd. R.M. Hazen for Allison Engineering Co. P.S Bearings instructed on your Cable on hand will be despatched plain in Bore so that any alteration regarding Oil Grooves or Holes can be made. Internal dia will be left .025" large for grinding to suit. RHC{R. H. Coverley - Production Engineer} | ||