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 sheet tracking parts not yet fitted to production 40/50 HP and 20 HP chassis.
| Identifier | ExFiles\Box 29\2\ Scan154 | |
| Date | 2nd August 1927 | |
| BY/Mtn5/G.2.8.27. 40/50 HP. & 20 HP. CHASSIS - STANDARDISATION SHEETS. PARTS NOT YET FITTED TO PRODUCTION CHASSIS. Date Issued | Stn. Sht. No. | TITLE | DATE COMPLETED | SERIES WHERE BROUGHT IN | CHASSIS TO TEST 40/50 HP. CHASSIS 26.5.27. | X.4124/7350 | Jack Pads for Rear Axle. | 16.6.27. | 150 in D.2 | 11.9.27. 24.12.26. | X.8400/8600 | Spare Wheel Carrier and Luggage Grid at Rear. | 1.6.27. | Not known. | 9.2.27. | X.8450 | Side Steering Tube End. N. Sch. 2258. | 18.3.27. | E.2 | 1.10.27. 29.9.26. | X.7380/7380 | Front Wing Stay | 23.2.27. | Not settled. | 12.5.27. | X.8671 | Dynamo with narrow brushes and increased air gap. | 30.5.27. | E.2 | 1.10.27. 25.5.27. | X.8830/8230 | Baffle on Silencer | 20.7.27. | 175 in D.2. | 25.9.27. 20 HP. CHASSIS 3908 23.5.27. | X.5460 | New Petrol Tank with reserve and filler. | 23.6.27. | L. | 8.10.27. 23.5.27. | X.235/5520 | Hydraulic Damper on Rear | 20.6.27. | 101 in L. | 15.1.28. 5.4.27. | X.5290 | Improved Undershield | 26.5.27. | L. | 8.10.27. 23.5.27. | X.4586 | Steel Artillery Wheels | 1.6.27. | when req'd.{John DeLooze - Company Secretary} | 23.5.27. | X.3700 | Zenith Petrol Filter | 11.6.27. | L. | 8.10.27. 28.5.27. | X.5661 | Dynamo with 28 slot armature. | 11.6.27. | 150 in K.{Mr Kilner} | 16.8.27. 21.3.27. | X.4565 | 33 x 6 Tyres for 20 HP. with W.B. rims. | 22.6.27. | Not known. | 21.6.27. | X.5450/457 | Spring Loaded Front End Side Steering Tube. | 8.7.27. | L. | 8.10.27. 23.6.27. | X.5450 | Mod. to Side Steering Tube End - N. Sch. 2417. | 8.7.27. | L. | 8.10.27. | ||