Request to machine six Aerolite pistons for Bentley engines to drawing Rm.216 to fit American piston rings.
| Identifier | ExFiles\Box 87\2\ scan0250 | |
| Date | 12th July 1937 | |
| To HPS. {Horace Percy Smith - Experimental Factory Mgr} 236 Rm {William Robotham - Chief Engineer} /Mths. {Reg Matthews} 9/JH.12.7.37. Bentley Pistons. Will you please arrange to have machined to drawing Rm. {William Robotham - Chief Engineer} 216, six aerolite pistons. Rm. {William Robotham - Chief Engineer} 216 is modification to ring grooves in order that American piston rings can be fitted. Rm {William Robotham - Chief Engineer} /Mths. {Reg Matthews} | ||
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).