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 on mileage discs and shrouded magnets.
| Identifier | ExFiles\Box 165\4\ img307 | |
| Date | 1st May 1935 | |
| RR 755A (SH) (57312. 26-12-33) BM 3/640/2 COMPLETED 8.5.35 20/25 STANDARDISATION OF PARTS. Date: 1.5.35 X No. 6051. Drawing No. Part List Description of Parts. A.T. SPEEDOMETER WITH LARGER FIGURES ON MILEAGE DISCS AND SHROUDED MAGNETS. Origin. To improve legibility of mileage recorders, prevent magnetic interference, improve balance, and reduce weight. Report of Experimental Test. Tested on Bench and on 5-B-IV. and is a distinct improvement over existing instrument. Weight of Old Part. Cost of Old Part. £ Weight of New Part. Cost of New Part. £ Difference per Car. Difference per Car. £ 1-9-5 Increase Signature from Cost Dept. that above is correct. 10-4-35 Cost of Parts in Works which will be scrapped if commenced on:- Series.........£....... Series.........£....... Series.........£....... Handwritten notes: See-over. Also includes concave dials etc - See Sheet to X 6033. APPROVALS: 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: J.S.; Received MAY 1935 | ||