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).
Ventilation scheme and the fitment of louvred side guards on different car models.
| Identifier | ExFiles\Box 75\4\ scan0076 | |
| Date | 20th May 1912 | |
| MR B arrington for T.C. X819 May 20th.1912 RE VENTILATION SCHEME. Further to my previous reports on this matter, please note that the lourved side guards should show to better advantage on "A" Steering cars, as there is not so much room under the floorboards " "when standard" as on the L to E type cars. E P. | ||