Drawing illustrating a broken number 3 piston from a Bensport.
| Identifier | ExFiles\Box 82\1\ scan0090 | |
| Date | 7th April 1933 | |
| BENSPORT(Codename for 3 1/2-litre Bentley) Nº 3 PISTON BROKEN E 56610 Handwritten note 1: This no. is not that of the standard 20/25 die cast piston but Bensport(Codename for 3 1/2-litre Bentley) - 030 Right hand cast. Handwritten note 2: We are assured by Hs {Lord Ernest Hives - Chair} /Rm {William Robotham - Chief Engineer} that this no is incorrect. | ||
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).