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 Le Carbone providing characteristics for dynamo brushes of grade 'EG3417' for comparison.
| Identifier | ExFiles\Box 165\6\ img088 | |
| Date | 27th June 1927 | |
| 45670 CONTRACTORS TO THE ADMIRALTY, WAR OFFICE, POST OFFICE, &c. Suppliers to the Principal Railways, Tramways, Corporations and Electric Light and Power Undertakings throughout the World. CARBON BRUSHES for all types of Electrical Machines. ELECTRO-GRAPHITIC CARBON. FAN, MAGNETO and Automobile Brushes. CARBON PACKING RINGS. CARBONS for Telephone Apparatus. WELDING CARBONS. LE CARBONE COVENTRY HOUSE, SOUTH PLACE, LONDON, ENGLAND. E.C.2. A.B.C. Code 4th & 5th Edition. Telephone: Clerkenwell 1826. Telegrams: Lacombe, Ave, London. BATTERY WORKS: PORTSLADE, SUSSEX. Branches and Agents throughout the World. "AD" (Air Depolarising) PRIMARY CELLS for large and small outputs. WET CELLS. DRY CELLS. H.T. BATTERIES. NATIONAL SCHEME FOR DISABLED MEN (stamp) 27th June, 1927. E.{Mr Elliott - Chief Engineer} Fowler-Clarke, Esq., Experimental Department, Messrs. Rolls Royce Ltd., Nightingale Road, Derby. 20H.P. dynamo brushes. Dear Sir, Our Ref. 5868/P.5263. We beg to refer to the call our Mr. Lawrance made upon you a few days ago and in response to the question raised we have much pleasure in giving you hereafter the characteristics of grade "EG3417" so that you can obtain a comparison between this quality and the "Z" which is your standard. We take the opportunity of entering the data for the two grades for ready comparison. Hoping that this will give you exactly what you require and in assuring you of our interest in the tests you are conducting with our brushes, We are, Yours faithfully for LE CARBONE. R/EP.{G. Eric Platford - Chief Quality Engineer} PL.256. Secu JCA CAP. cont'd... | ||