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).
Request to purchase two new type S.1 hydrometers, one for the Electrical Laboratory and another for private use.
| Identifier | ExFiles\Box 44\5\ Scan083 | |
| Date | 17th December 1925 | |
| X3741 To Wd.{Mr Wood/Mr Whitehead} from EFC. EFC4/T17.12.25. X. 3741 - RE HYDROMETERS. Would you please obtain two new type S.1. hydrometers from The Chloride Elec. Storage Co., similar to the sample referred to in BX/C14/H13.5.25 (copy herewith), which sample we tested and found satisfactory. One of these hydrometers is required in our Electrical Laboratory, and the other please obtain for and charge to me privately. EFC. | ||