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).
Test report on 24 Exide Type S.1. Hydrometers, finding 23 to be satisfactory and one with a broken float.
| Identifier | ExFiles\Box 44\5\ Scan096 | |
| Date | 3rd November 1927 | |
| To Ry/Cgh.{W Clough} from EFC. X3741 EFC4/T3.11.27. EXIDE TYPE S.1. HYDROMETERS. We have duly tested the 24 of these instruments sent to us fortest, and we find 23 of these to be O.K. in all respects. The remaining one has a broken float, which should be returned for rectification. EFC. AD137 | ||