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).
Inquiry regarding the required minimum height and lift for a Michelin jack suitable for a 40/50 HP chassis with medium pressure tyres.
| Identifier | ExFiles\Box 26\3\ Scan029 | |
| Date | 3rd June 1926 | |
| HS.{Lord Ernest Hives - Chair} 1391 BY/HM{Capt. W. Hallam - Head Repairs}17/G.3.6.26. 40/50 HP. CHASSIS - MICHELIN JACK SUITABLE FOR MEDIUM PRESSURE TYRES. --------------------------------------------- As we understand the present standard jack will not be suitable for chassis fitted with medium pressure tyres, will you kindly let us know the minimum dimensions [handwritten correction: height] the jack must be, and also the amount of lift required. [Stamp: RECEIVED 3 JUN 1926] BY/HM.{Capt. W. Hallam - Head Repairs} [Signature] | ||