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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).
Fitting and testing of a new Hallay matrix radiator for the Phantom III.

Identifier  ExFiles\Box 94\3\  scan0073
Date  7th August 1936
  
To RHC.{R. H. Coverley - Production Engineer}

x 340

Hs{Lord Ernest Hives - Chair}/Std. S/JH. 7. 8. 36.

Phantom III Radiator with Hallay Matrix.

We send you herewith a radiator matrix which has been supplied by Messrs. Gallay. Will you please have top and bottom tanks etc. fitted to this matrix so that it forms an interchangeable unit with our Mark VI matrix units.

The top tank should have the latest type spreader pipes etc.

We shall test this at Brooklands against the Mark VI type of block.

Hs{Lord Ernest Hives - Chair}/Std.
  
  


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