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).
Supply of celluloid syringe type hydrometers from the Luthy Hydrometer Company in America.
| Identifier | ExFiles\Box 44\5\ Scan049 | |
| Date | 16th January 1920 | |
| X.3741 16-1-20 To EP.{G. Eric Platford - Chief Quality Engineer} from Ck.{Mr Clark} c. to Wd.{Mr Wood/Mr Whitehead} Ck{Mr Clark}8/Tl&.1.20. X.3741 - HYDROMETERS The type of hydrometer we propose to supply is made by the Luthy Hydrometer Company in America, and is of the celluloid syringe type with a celluloid float. We have samples of these and they have worked quite satisfactorily. The O.O. have made enquiries for us regarding obtaining these in England but without success. We should like to hear more of the "Many cheap varieties which are advertised". Ck.{Mr Clark} | ||