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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 Wellworthy Piston Rings regarding experiments on AC.9 Main Bearings and Big Ends.

Identifier  ExFiles\Box 115\4\  scan0015
Date  24th July 1939
  
SERVICE DEPOTS
LONDON
89 BLACKFRIARS RD S.E.1
TELEPHONE: WATERLOO 5762/3
172 GT. PORTLAND ST.{Capt. P. R. Strong} W.1
TELEPHONE: MUSEUM 2433
119 LEYTONSTONE RD
STRATFORD. E.15
TELEPHONE: MARYLAND 2439
BIRMINGHAM
143 SUFFOLK STREET
TELEPHONE: MIDLAND 0638
MANCHESTER
232 DEANSGATE
TELEPHONE: BLACKFRIARS 5914
NEWCASTLE
MILLICAN'S BUILDINGS, MARKET ST
TELEPHONE: 23874

ON ADMIRALTY, WAR OFFICE
AIR MINISTRY, INDIA OFFICE LISTS

WELLWORTHY
PISTON RINGS
LIMITED
PISTON & PISTON RING SPECIALISTS
LYMINGTON
HANTS
WORKS & HEAD OFFICE: STANFORD RD

1020a

SERVICE DEPOTS
LIVERPOOL
45 RENSHAW ST.{Capt. P. R. Strong}
TELEPHONE: ROYAL 5786
LEEDS
82 WOODHOUSE LANE
TELEPHONE: 25774
CROYDON
246 HIGH STREET
TELEPHONE: 6121-2
SOUTHAMPTON
17 PORTSWOOD ROAD
TELEPHONE: 74778
HULL
285 ANLABY ROAD
TELEPHONE: 15312
CANTERBURY
21 & 22 ROSE LANE
TELEPHONE: CANTERBURY 2456

TELEPHONE: LYMINGTON 520 (5 LINES)
TELEGRAMS: WELLWORTHY
CODE: MARCONI

DIRECTORS:
G.{Mr Griffiths - Chief Accountant / Mr Gnapp} H.{Arthur M. Hanbury - Head Complaints} ALEXANDER
J.{Mr Johnson W.M.} W. HOWLETT
C. B. KAY
P. WALDEN
C. W. WATERS
A.{Mr Adams} J.{Mr Johnson W.M.} WOOLCOTT

OUR REF
LN/CJR.
Ext.26.

YOUR REF
Rm{William Robotham - Chief Engineer}11/R.{Sir Henry Royce}

24th July, 1939.

W. Robotham Esq.,
Messrs. Rolls-Royce, Ltd.,
Derby.

Dear Sir,

Your letter of Thursday, 20th, has been opened by the writer in the absence of Mr. Blackith, who has now left for a fortnight's holiday.

We wish to thank you for the information you have given us regarding the experiments you have made on AC.9 Main Bearings, and note that you definitely do not recommend this use for the material.

Although we are supplying far more Big Ends than Main Bearings we have had some very good results at present under the latter conditions, but we are rather following your findings and recommending it more for Big Ends to future customers.

Your letter will be kept for Mr. Blackith to deal with further on his return.

Yours faithfully,
For WELLWORTHY PISTON RINGS LIMITED,

L. C. Noble
Technical Department.
  
  


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