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).
Notice regarding the approval of 'H' filling for calorstats for radiator shutter controls.
| Identifier | ExFiles\Box 39\4\ Scan227 | |
| Date | 19th January 1931 | |
| ROT. (crossed out) HY{Tom Haldenby - Plant Engineer}/CS. c. Hs.{Lord Ernest Hives - Chair} X34991, DY{F R Danby}3/G.19.1.31. CALORSTATS FOR RADIATOR SHUTTER CONTROLS. -------------------- Will you kindly note that the Experimental Dept. are satisfied with the 'H' filling for the calorstat. Will the D.O. kindly modify their part lists to cover this, and the Order Office are at liberty to go ahead and order calorstats with the 'H' filling for production. RECEIVED (stamp) BY.{R.W. Bailey - Chief Engineer} P.M. | ||