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).
Adopting a standard design for a ventilator stop.
| Identifier | ExFiles\Box 75\4\ scan0030 | |
| Date | 6th October 1911 | |
| REF. 45 (11) 6th October 1911. Re Ventilators. Mr. Spinney 6-10-11 Will you please adopt as standard, for the present time, the ventilator stop consisting of a small piece of metal rivetted and soldered on the existing ventilator. 4879 DICKINSON BOND | ||