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 Marston Mark III type matrix 4 1/2' Sq.P. radiators.
| Identifier | ExFiles\Box 19\1\ Scan262 | |
| Date | 3rd February 1933 | |
| RR 755 (10M) (30405. 21-4-32) BM. 3/6382/4. Handwritten: X7120. COMPLETED 2.6.33. STANDARDISATION of CHASSIS PARTS. Date: 3.2.33. X No. 7250 Drawing No. 7120 Part List Description of Parts: MARSTON MARK III TYPE MATRIX 4 1/2" SQ.P. RADIATORS. Origin: INCREASED EFFICIENCY WITH REDUCED WEIGHT. Experimental Test Report: Has done 10,000 miles on 19-G-L. Run on bumper satisfactory. Fitted to Bensport & Peregrine. Road Test Report: Tests have shown that this matrix is 13% more efficient per unit weight than existing hexagonal tube. Weight of Old Part: Weight of New Part: Difference per Car: Cost of Old Part: £ 1. 14. 4. Cost of New Part: £ 1. 3. 11. Difference per Car. Decrease. £ -. 10. 5. Cost of Parts in Works which will be scrapped if commenced on:- Series.........£......... Series.........£......... Signature from Cost Dept. that above is correct. G/Yb. 30.5.33 & 30.5.33 INITIAL | DATE | REMARKS SG.{Arthur F. Sidgreaves - MD} | 31.5.33 | Agreed for Sg{Arthur F. Sidgreaves - MD} - C. R.{Sir Henry Royce} | 12.3.33 | Agreed FHR. WOR.{Arthur Wormald - General Works Manager} | 7.2.33 | Agreed Wor.{Arthur Wormald - General Works Manager} C. | 9.2.33 | Agreed C. RG.{Mr Rowledge} | 7.2.33 | Agreed Rg.{Mr Rowledge} DA.{Bernard Day - Chassis Design} | 14.2.33 | Agreed Da.{Bernard Day - Chassis Design} BY.{R.W. Bailey - Chief Engineer} | 29.5.33 | Agreed By.{R.W. Bailey - Chief Engineer} EP.{G. Eric Platford - Chief Quality Engineer} | 7.2.33 | Agreed EP.{G. Eric Platford - Chief Quality Engineer} E.{Mr Elliott - Chief Engineer} | 7.2.33 | Agreed AE. PN.{Mr Northey} | 9.2.33 | Agreed PN.{Mr Northey} HS.{Lord Ernest Hives - Chair} | | Agreed Hs.{Lord Ernest Hives - Chair} | ||