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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).
Testing of new, quieter Dunlop tyres with a modified triple stud tread.

Identifier  ExFiles\Box 53\3\  Scan017
Date  1st February 1927
  
To PH. From Hs.{Lord Ernest Hives - Chair}
c.c. to GWB.
c.c. to O.{Mr Oldham}
X4565
Hs{Lord Ernest Hives - Chair}6/LGH.2.27.

DUNLOP TYRES.

We have been running on an experimental car a set of Dunlop 6.75" tyres which have a modified triple stud tread. These treads are undoubtedly more silent than the original triple stud. They now approximate as regards noise, to the traction tread tyres.

We are arranging for Messrs. Dunlop to send 5 of these tyres to Conduit Street so that you will have an opportunity of trying them out as regards noise.

We are anxious to recommend and use as soon as possible the standard Dunlop tyres.

HS.{Lord Ernest Hives - Chair}
  
  


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