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).
The despatch of two Calorstats to Messrs. Smith & Sons Ltd. with specific filling instructions.
| Identifier | ExFiles\Box 39\4\ Scan230 | |
| Date | 21th January 1931 | |
| O.O. From Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} c. to Stores. c. to S.O. V3499. Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer}4/MJ. 21.1.31. We are sending into the Stores for despatch to Messrs. Smith & Sons Ltd., Birmingham Works, 173-177, Clifton Road, Aston, Birmingham - Two Calorstats. We wish one of these to be filled with the 'H' filling and the other with the special filling mentioned in their letter of the 20th.inst., i.e. change over position to be 80°C. Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} | ||