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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).
Letter from Frank B. Halford suggesting academic papers related to valve spring breakages at low temperatures.

Identifier  ExFiles\Box 17\6\  Scan209
Date  30th April 1934
  
FRANK B. HALFORD, F.R.Ae.S.
DESIGNER OF AERO AND AUTOMOBILE ENGINES.
Telephone Nos.: Gerrard 1217.
Gerrard 1218.
My Ref. FBH/EM
Your Ref.

X7060

8 & 9 GOLDEN SQUARE,
LONDON,
W.1.

30th April 1934.

W. A.{Mr Adams} Rowbotham Esq.,
c/o Messrs. Rolls-Royce Ltd.,
Derby.

Dear Mr. Rowbotham,

With reference to valve spring breakages possibly due to operation at very low temperatures.

If you have not already read them, the following papers might be of interest.

1. The Mechanical Properties of some Austenitic Stainless Steels at low Temperatures (down to -180°C.) by Colbeck, MacGilliviey & Manning, to the Institute of Mechanical Engineers, May 1933.

2. Mechanical Properties of Metals at Low Temperatures, Colbeck & MacGilliviey, Institute of Mechanical Engineers, November 1933.

3. The Effect of the Temperature of Liquid Hydrogen on the Tensile Properties of 41 Specimens of Metals, Sir Robert Hadfield, Royal Society, see Phil. Trans. 1933, Series A, Vol. 232, p.297.

Yours sincerely,

Frank. B. Halford
  
  


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