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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).
Seeking clarification on the type of bonnet ventilation for vehicle 24-EX being tested in France.

Identifier  ExFiles\Box 11\3\  03-page205
Date  16th July 1930
  
S/W.
To Hs.{Lord Ernest Hives - Chair} from Sg.{Arthur F. Sidgreaves - MD}

[Stamped: RECEIVED 17 JUL 1930]
[Handwritten: X7941d. X79419. x7260]

Sg{Arthur F. Sidgreaves - MD}9/D16.7.30.

Re: 24-EX. in France.
--------------------

Would you please let me know what sort of a bonnet it is from the point of view of ventilation?

When Rm.{William Robotham - Chief Engineer} was with me the other day I distinctly understood him to say that it had 2 shutter ventilators on each side, i.e. 4, and that the test was being run in hot weather with them open.

On the other hand, Whr.{Mr Wheeler} has a note from BY.{R.W. Bailey - Chief Engineer} definitely saying that this is a plain bonnet, by which I understand him to mean a bonnet without shutter ventilators or louvres.

Sg.{Arthur F. Sidgreaves - MD}
  
  


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