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).
Sample battery thermometer for vehicle battery testing.
| Identifier | ExFiles\Box 63\1\ scan0056 | |
| Date | 15th September 1924 | |
| EFC. from Wd.{Mr Wood/Mr Whitehead} X3035 Wd{Mr Wood/Mr Whitehead}1/NJ15.9.24. X.3035 - Battery Thermometers. Referring to mine Wd{Mr Wood/Mr Whitehead}1/NJ8.9.24 and yours EFC1/T9.9.24, I send you herewith a sample thermometer (piece number 910-E) supplied by the Chloride Electrical Storage Co.Ltd., which they find very suitable for all vehicle battery testing. The Chloride Co. state that the instruments are correct to within 2° Fah. I shall be pleased to learn whether this is suitable for your requirements. Wd.{Mr Wood/Mr Whitehead} Thermometer herewith. | ||