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 Ltd. regarding a high compression piston design.
| Identifier | ExFiles\Box 148\1\ scan0070 | |
| Date | 16th March 1939 | |
| 1256 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 0838 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 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 2486 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 FB/EHF. Ext. 26. TELEPHONE: LYMINGTON 820 (5 LINES) TELEGRAMS: WELLWORTHY CODE: MARCONI YOUR REF 16th March, 1939. Messrs. Rolls Royce Ltd., Derby. Dear Sirs, Attention of Mr. Robotham. In connection with the high compression piston which you recently patented, Mr. Howlett has requested that we send along to you the enclosed sketch of the Leyland 3 1/2" Cub Petrol piston and details of the sizes of the combustion chamber, and would ask you to give us some indication as to the amount that you would raise the crown of this piston, following the same lines as on your Bentley engine. When you have considered this matter we shall be glad to hear from you at your convenience. Yours faithfully, For WELLWORTHY PISTON RINGS LTD., F.{Mr Friese} Blackith. Technical Manager. Dictated but not signed by Mr. Blackith. | ||