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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 a repaired fan and an adjustable diameter pulley.

Identifier  ExFiles\Box 135\4\  scan0021
Date  15th May 1939
  
1135
All Communications to be addressed to the Company.
FERODO LIMITED
TELEPHONE: 250 CHAPEL-EN-LE-FRITH
TELEGRAMS: FRICTION, PHONE, CHAPEL-EN-LE-FRITH.
FERODO BRAKE & CLUTCH LININGS
REGD. TRADE MARK.
CHAPEL-EN-LE-FRITH,
STOCKPORT, ENGLAND.
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.

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
BERRY STREET.
MANCHESTER
16, JACKSON'S ROW, DEANSGATE.
NEWCASTLE-ON-TYNE
21, ELDON PLACE, BARRAS BRIDGE.

15th May, 1939
YOUR REF. Rm{William Robotham - Chief Engineer}/Ed.{J. L. Edwards}9/JH
OUR REF. JNL/KM

Messrs. Rolls Royce Ltd.,
Derby.

For the attention of Mr. W. A.{Mr Adams} Robotham.

Dear Sirs,

Thank you for your letter of the 12th of May advising the despatch of a repaired fan which has been received this afternoon. This will, as you say, enable us to keep going until the new fan is ready.

As regards your query concerning the ideal angle for an adjustable diameter pulley, this has been passed on to our Mr. Shilton to deal with, who will doubtless give the matter his immediate attention.

It may interest you to know that we have made certain modifications to our rig, which will enable us to observe energy absorptions at speeds infinitely variable up to 4,500 R.P.M. If you care to avail yourselves of this apparatus it is at your disposal.

Yours truly,
FERODO LIMITED
Mongley.
Director.
  
  


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