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 order three special transmitting thermometers with warning lights from the Cambridge Scientific Instrument Co.
| Identifier | ExFiles\Box 27\4\ Scan205 | |
| Date | 28th April 1930 | |
| Ms. From Hs{Lord Ernest Hives - Chair}/Rn.{Mr Robinson} c. to Lr.{Mr Ellor} J 3035 Hs{Lord Ernest Hives - Chair}/Rn.{Mr Robinson} 3/LWJ.28.4.30. Y 3055 X 3987 Will you please order for us from The Cambridge Scientific Instrument Co., Three special transmitting thermometers with the warning light arranged to appear at different temperatures with different altitudes. The approximate specification for these thermometers is indicated in the letter attached. (Lr{Mr Ellor}1/GM.26.4.30.) Though the thermometer supplied to this order may not comply entirely with what we consider to be desirable, it is most important that we should have the best they can produce as soon as possible so that we can proceed with testing them in the air. Will you therefore please ask them to give us a quotation and specification as soon as possible. Hs{Lord Ernest Hives - Chair}/Rn.{Mr Robinson} | ||