Letter from Joseph Lucas detailing the turn ratio of an ignition coil and the availability of a new windscreen wiper.
| Identifier | ExFiles\Box 164\5\ img077 | |
| Date | 18th August 1931 | |
| X6018 TRADE MARK THE JOSEPH LUCAS RESEARCH LABORATORIES WELL STREET BIRMINGHAM TELEGRAMS: 'LUCAS, BIRMINGHAM' TELEPHONE: NORTHERN 5201 (Pte Bch {F. H. Birchmore - Chassis Delivery Manager} Ex) WHEN REPLYING PLEASE REFER TO EOT/JLW.P. Messrs. Rolls Royce Limited, DERBY. 18th August 1931. Dear Sirs, Your Ref: Hs {Lord Ernest Hives - Chair} /HEW2/AD. Replying to your letter of August 14th. addressed to Dr. Turner, we have pleasure in giving you the following information. The turn ratio of the Lucas L type ignition coil is - primary 280 turns and secondary 14,000 turns. With reference to the new windscreen wiper, the design has recently been modified so that samples will not be available for some time. Yours faithfully, JOSEPH LUCAS LIMITED, ELECTRICAL DEPARTMENT. [Signature] | ||
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).