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 Hoffmann Manufacturing Co. Ltd. regarding the dimensions of inner races for part number F. 61468.
| Identifier | ExFiles\Box 153\2\ scan0343 | |
| Date | 2nd July 1937 | |
| HOFFMANN Registered Trade Mark BALL AND ROLLER BEARINGS STEEL BALLS AND ROLLERS BRANCHES: LONDON, BIRMINGHAM, MANCHESTER, LEEDS, GLASGOW. AGENTS IN PRINCIPAL COUNTRIES THROUGHOUT THE WORLD. THE HOFFMANN MANUFACTURING Co. LTD. CONTRACTORS TO THE ADMIRALTY, WAR OFFICE AND INDIA OFFICE. TELEPHONE: 3151 (5 lines) TELEGRAMS: HOFFMANN. CHELMSFORD CODES USED: A.B.C. 5TH EDITION. BENTLEY PHRASE. BENTLEY 2ND PHRASE. MARCONI AND WESTERN UNION 5 LETTER. CHELMSFORD. MESSRS. ROLLS ROYCE, LIMITED, EXPERIMENTAL DEPT. DERBY. July 2nd 1937. YOUR REF. Rm{William Robotham - Chief Engineer}/FJH.{Fred J. Hardy - Chief Dev. Engineer}16/JH IN YOUR REPLY PLEASE QUOTE OUR REF. JHW/EH. 99910 A Dear Sirs, We would now refer further to your letter of the 8th June, and our letter of the 11th June, reference JHW/EH. 99910 A.{Mr Adams} We find that the outside diameter of these inner races Part No. F.{Mr Friese} 61468, varies from .948" to .940". For chucking purposes we require these all one common size, and propose to reduce them to .940 to .939". We are proceeding with the work, and hope that everything will be acceptable to you, but if this is not so, will you kindly let us know by return. Yours faithfully, THE HOFFMANN MANUFACTURING CO.LTD. | ||