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 Joseph Lucas Research Laboratories regarding the measured spring pressures for two windscreen wiper arms for a Continental test car.
| Identifier | ExFiles\Box 167\5\ img022 | |
| Date | 22th December 1931 | |
| X6115 THE JOSEPH LUCAS RESEARCH LABORATORIES TELEGRAMS: "LUCAS, BIRMINGHAM" TELEPHONE: NORTHERN 5201 2201 (P.B.EX) WELL STREET BIRMINGHAM WHEN REPLYING PLEASE REFER TO JCE/P. Messrs. Rolls Royce Limited, DERBY. 22nd December 1931. For the attention of Mr. West, Experimental. Dear Sir, We send herewith two spring arms for the rack windscreen wiper fitted to your Continental test car. We have measured the spring pressures at a five inch radius from the driving spindle centres and found them to be 3 and 3.5 ozs: respectively. Hoping that the arms will meet your requirements, and trusting that we shall receive your comments in due course. Yours faithfully, JOSEPH LUCAS LIMITED, ELECTRICAL DEPARTMENT. | ||