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).
Required quantity of 'Corundite' sparking plugs for various chassis types.
| Identifier | ExFiles\Box 142\3\ scan0182 | |
| Date | 9th April 1937 | |
| c Rm{William Robotham - Chief Engineer}/Gry{Shadwell Grylls} 1204 Mx{John H Maddocks - Chief Proving Officer}/S&m23/T9.4.37 "Corundite" Sparking Plugs Type FA/30.X - for P.III Chassis Type PIB/30.X - for 25/30HP and Bentley Chassis. ROY{Sir Henry Royce}1/M99.4.37 There are approximately 80 of each type of chassis at present in the hands of Coachbuilders awaiting delivery to customers. Assuming this figure to be correct, we require the following plugs for dealing with these chassis. Phantom III. FH50X type...........2240 25/30HP } FIB30X type.......... 640 each. Bentley } Hx/S&m [Signature] | ||