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).
Letter to The Leyland & Birmingham Rubber Co. Ltd. regarding the supply of steel inserts for producing rubbers of specific durometer hardness.
| Identifier | ExFiles\Box 104\1\ scan0192 | |
| Date | 10th August 1934 | |
| 5805 Expl. Dept. Hs{Lord Ernest Hives - Chair}/Les.25/MJ. 10th. August, 1934. The Leyland & Birmingham Rubber Co. Ltd., Leyland, Preston. For the attention of Mr. Bassett. Dear Sirs, We are arranging for the steel inserts F.86440/1 to be despatched to you. These have been tinned as you desired. These will enable you to produce 4 rubbers F.86436. We should like two having Durometer hardness 60 - 65 and the other two Durometer hardness 70 - 75. Yours faithfully, For Rolls-Royce Ltd. | ||