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).
The supply and fitment instructions for Aerolite and R.R. T slot pistons for a car belonging to Lappin.
| Identifier | ExFiles\Box 88\2\ scan0245 | |
| Date | 6th August 1938 | |
| 260 To HPS.{Horace Percy Smith - Experimental Factory Mgr} from Rm{William Robotham - Chief Engineer}/Swdl.{Len H. Swindell} c. Hd.{Mr Hayward/Mr Huddy} Rm{William Robotham - Chief Engineer}/Swdl.{Len H. Swindell}2/MH.{M. Huckerby}6.8.38. LAPPIN'S CAR. We have supplied 3 Aerolite pistons and 3 R.R. T slot pistons complete with piston rings (std. Bentley) together with a new production cylinder block. The block and pistons which should be measured and charted and then handed over to the Repair for fitment to the above car which is held up for the job to be carried out. Pistons to be fitted as follows:- Aerolite - No.1, 3 and 5 bores. RR. T slot - No.2, 4 and 6 bores. The old block and pistons removed to be returned to the Exp. Dept. for measurement and charting. Rm{William Robotham - Chief Engineer}/Swdl.{Len H. Swindell} | ||