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).
Instructions for ventilating floorboards on Chassis 1714, involving a double floorboard design with a space between.
| Identifier | ExFiles\Box 75\4\ scan0033 | |
| Date | 24th October 1911 | |
| X819 G/535. Ventilation of floorboards. Chassis 1714. Mr Cheetham wrote 24/10/11. Make what might be termed a thick floor-board but what is in reality a double floorboard with a space between. Mr Cheetham is fitting this to Chassis 1649. 14/11/11. 100 | ||