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).
Michelin tyre pressures being set to 85 lbs per square inch.
| Identifier | ExFiles\Box 39\2\ Scan088 | |
| Date | 13th October 1938 | |
| X3538 S/W(Hs{Lord Ernest Hives - Chair}) Bp9/DCL.1021 X3538 Tyre Pressures IHS instructs me to bring matter of Michelin Tyre Pressure to you. You will see, from attached LB2/H/11021, they pump to 85 lbs per sq. inch. If you do not agree with Michelin, you will no doubt let us have your views. Sp.{Mr Spinney} Enc: [Stamp: RECEIVED OCT 13 FC] | ||