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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 Ferodo Limited regarding bursting tests and description of clutch facings.

Identifier  ExFiles\Box 129\1\  scan0258
Date  31th August 1937
  
110.
All Communications to be addressed to the Company.

FERODO LIMITED

TELEPHONE: 19 CHAPEL-EN-LE-FRITH (5 LINES)
TELEGRAMS: FRICTION, PHONE, CHAPEL-EN-LE-FRITH.

FERODO
REGD. TRADE MARK.
BRAKE & CLUTCH LININGS

CODES: WESTERN UNION FIVE LETTER EDITION, BENTLEYS COMPLETE & 2ND PHRASE, MARCONI INTERNATIONAL, LIEBER'S CODE, LIEBER'S LATEST CODE, A.B.C. 5TH & 6TH EDITIONS.

CHAPEL-EN-LE-FRITH,
STOCKPORT, ENGLAND.

Depots:-
LONDON
222, TOTTENHAM COURT RD W.1.
ABERDEEN
26, GUILD STREET.
BELFAST
8, 10 & 12, MONTGOMERY ST
BIRMINGHAM
198, CORPORATION ST
BRISTOL
118, VICTORIA STREET.
CARDIFF
60, CHARLES ST
DUBLIN
120, UPPER ABBEY ST
GLASGOW
70, WATERLOO ST
LEEDS
25, HUNSLET RD
LIVERPOOL
1-3, BERRY STREET.
MANCHESTER
16, JACKSON'S ROW, DEANSGATE.
NEWCASTLE-UPON-TYNE
ELDON STREET, BARRAS BRIDGE.

YOUR REF. Rm{William Robotham - Chief Engineer}/NRC.{N. R. Chandler}11/JH
OUR REF. JNL/KM
31st August, 1937

Messrs. Rolls Royce Ltd.,
Derby.

Dear Sirs,

For the attention of Mr. N. R.{Sir Henry Royce} Chandler.

We thank you for your letter of the 28th of August giving the results of the bursting tests on various 13-1/2" clutch facings carried out in this factory on June 3rd and August 27th.

First, there is a slight correction to be made to the description of the fifth item. This in your letter you describe as "S.6777 - cloth oblique cut - original impregnation" but this should actually read "S.6777 - improved chevron wound."

We are pleased to note that you approve of the bursting resistance of the S.6777 - cloth oblique. This quality has been given a new number and will be referred to in future correspondence as S.7409.

We are putting in hand, as you request, 12 facings without rivet holes, and, when these are ready for despatch, will quote you for all 3 sizes, namely, 10", 11" and 13-1/2".

Yours faithfully,
FERODO LIMITED

Chief Chemist & Director.
  
  


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