The design and testing of a Lucas two-way switch compared to a Bosch switch.
| Identifier | ExFiles\Box 61b\3\ scan0297 | |
| Date | 17th March 1931 | |
| X6073 Hdy {William Hardy} 2/V.17.3.31. S/W {Sales / Derby Works} (EFC {E. Fowler Clarke - Electrical Engineer} ). X6072/3 LUCAS AND R.R. DESIGN OF TWO-WAY SWITCH FOR CENTRAL LAMP SCHEME. Referring to your memo. EFC {E. Fowler Clarke - Electrical Engineer} 1/AD26.1.31 we should like to know the present position regarding the testing of the Lucas two-way switches and the design of the R.R. switch. As regards the former, we have already mentioned that we, at this end, did not consider these switches to be of the same standard as the Bosch two-way switch which we are now using. Hdy. {William Hardy} Hdy {William Hardy} RECEIVED 1931 MAR 18 | ||
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).