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 for 20 HP chassis parts not yet fitted to production models.
| Identifier | ExFiles\Box 29\2\ Scan142 | |
| Date | 1st April 1927 | |
| X306C BY/tn32/G.1.4.27. 20 HP. CHASSIS - STANDARDISATION SHEETS. --------------------------------------- PARTS NOT YET FITTED TO PRODUCTION CHASSIS. ----------------------------------------- Date Issued Stn.Sht. No. Title Date Completed Series where Chassis brought in to Test 31.5.26. X.4079 Moulded Redmonal Coil Case. 14.6.26. "K" 16.4.27. 16.9.26. X.4653 Ignition Coil with finer primary winding. 19.10.26. "K" 16.4.27. 24.9.26. X.5010 Main Bearings with Steel Shells. 27.10.26. Not known. 22.10.26. X.5430-5310 Incorporation of B. Type Gear Lever with "D" Steering. 11.11.26. "K" 16.4.27. 26.10.26. X.5370 Flexibility in Servo Device. 24.11.26. "K" 16.4.27. 18.11.26. X.5260 Modified Louvres to Bonnet. 29.11.26. - 18.11.26. X.5180 8180 Jubilee Clips for Rubber Connections 17.12.26. "L" 8.10.27. 14.12.26. X.4638 5660 Solid Pole Pieces for 20 HP. Dynamo 12.1.27. "K" 16.4.27. 17.12.26. X.5575 Improved Method of Holding Battery Box. 12.1.27. "K" 16.4.27. 4.1.27. X.5250 3875 Thermometer with Electrical Contact. 15.1.27. 101st. "K" 16.7.27. 7.1.27. X.5425 Spring Loaded Cross Steering Tube. 20.1.27. "K" 16.4.27. 24.12.26. X.5450 Side Steering Tube Ends. 27.1.27. "K" 16.4.27. 6.1.27. X.4132 Solid Poles for 20 HP. Starter Motor 10.3.27. "K" 16.4.27. ---------- | ||