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).
Standardisation of an A.T. speedometer with larger figures, designed to improve legibility and reduce weight.
| Identifier | ExFiles\Box 165\4\ img309 | |
| Date | 1st May 1935 | |
| RR 7858 (SH) (60654. 19-9-34) BM S/1832/5 COMPLETED 8.5.35. BENTLEY STANDARDISATION of PARTS. Date 1.5.35. (Handwritten above: 16-6-35) X No. 6051. Drawing No. Part List Description of Parts. A.T. SPEEDOMETER WITH LARGER FIGURES ON MILEAGE DISC AND SHROUDED MAGNET. Origin. To improve legibility of mileage recorder, prevent magnetic interference, improve balance and reduce weight. Report of Experimental Test. Tested extensively on bench and on 5-B-IV and is a distinct improvement over existing instrument. Weighs 10 ozs. lighter. Weight of Old Part. £ Cost of Old Part. £ Weight of New Part. £ Cost of New Part. £ (Handwritten note: See - over) Difference per Car. £ - 19 - 9 Decrease Signature from Cost Dept. that above is correct. G/N. 10-4-35. Cost of Parts in Works which will be scrapped if commenced on -- Series.......£....... Series.......£....... Series.......£....... INITIAL | DATE | REMARKS SG.{Arthur F. Sidgreaves - MD} | 2-5-35 | Agreed Sg{Arthur F. Sidgreaves - MD} WOR.{Arthur Wormald - General Works Manager} | 17.4.35. | Agreed Wor.{Arthur Wormald - General Works Manager} C. | 18.4.35. | Agreed C. RG.{Mr Rowledge} | | DA.{Bernard Day - Chassis Design} | 30.4.35. | Agreed Da.{Bernard Day - Chassis Design} BY.{R.W. Bailey - Chief Engineer} | 18.4.35. | Agreed By.{R.W. Bailey - Chief Engineer} EP.{G. Eric Platford - Chief Quality Engineer} | 17.4.35. | Agreed EP.{G. Eric Platford - Chief Quality Engineer} E.{Mr Elliott - Chief Engineer} | 17.4.35. | Agreed E.{Mr Elliott - Chief Engineer} BN.{W.O. Bentley / Mr Barrington} | 30.4.35. | Agreed Bn.{W.O. Bentley / Mr Barrington} SFT.{Mr Swift} | 17.4.35. | Agreed Sft.{Mr Swift} MX.{John H Maddocks - Chief Proving Officer} | 24.4.35. | Agreed Mx.{John H Maddocks - Chief Proving Officer} HS.{Lord Ernest Hives - Chair} | 16.4.35. | Agreed Hs.{Lord Ernest Hives - Chair} STAMPS: [RECEIVED 2 MAY 1935], [J.Sy] | ||