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).
Letter discussing shutter friction and the requirement for a different liquid for the Calorstat.
| Identifier | ExFiles\Box 39\4\ Scan165 | |
| Date | 9th September 1930 guessed | |
| -2- than it is at present, the result being that any increase in friction in the shutters will accentuate the lag in closing. However, in view of Mr. Royce's opinion we have no alternative but to endeavour to use a different liquid for the Calorstat. We should be obliged if you would let us know how soon you can supply us with what we require. Yours faithfully, For Rolls-Royce Ltd. | ||