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 a set of 6 concentric spark gaps.
| Identifier | ExFiles\Box 54\3\ Scan267 | |
| Date | 2nd February 1932 | |
| X4645 THE JOSEPH LUCAS RESEARCH LABORATORIES WELL STREET BIRMINGHAM TELEGRAMS: "LUCAS, BIRMINGHAM" TELEPHONE: NORTHERN 5201 (PRIVATE) WHEN REPLYING PLEASE REFER TO HEW/P. Messrs. Rolls Royce Limited, DERBY. 2nd February 1932. Dear Sirs, For the attention of Mr. H.E.West. As arranged by Mr. E.A. Watson on his visit to you, we are sending under separate cover, marked "For the attention of Mr. H.E. West", a set of 6 concentric spark gaps. We find regular sparking to occur on these at approximately 11.7 kilovolts, and sparking commences at 9.4 kilovolts. Trusting that you will find these useful. Yours faithfully, JOSEPH LUCAS LIMITED. ELECTRICAL DEPARTMENT. N. E.{Mr Elliott - Chief Engineer} Whitehouse. WST | ||