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 Messrs. C.C. Wakefield Ltd. requesting the composition particulars for 'XL' lubricating oil.
| Identifier | ExFiles\Box 32\3\ Scan076 | |
| Date | 21th May 1925 | |
| X1583 HS{Lord Ernest Hives - Chair}3/LG. 21st. May 1925. Messrs. C.C. Wakefield Ltd., Wakefield House, 30/32 Cheapside, London E.C.2. Dear Sirs, We have purchased from you recently several barrels of 'XL' lubricating oil. As a matter of policy we always like to know what is the actual composition of the oils we use. We should be pleased if you could provide us with the following particulars as regards 'XL' Oil. (1) Mineral oil basis. (2) Percentage of fatty oil. (3) What kinds of fatty oils used. Thanking you in anticipating. Yours faithfully, | ||