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).
Experimental record sheet for battery ignition distributor cams hardened by the 'Cloudburst' process.
| Identifier | ExFiles\Box 61b\2\ scan0129 | |
| Date | 4th September 1930 | |
| ELECTRICAL EXPERIMENTAL RECORD SHEETS Battery ignition distributor cams hardened by "Cloudburst" process. | Date on. | Location. | Date off. | REMARKS. | Miles reading Start. | Miles reading finish. | Miles covered | Total miles. | |-----------|-----------|-----------|--------------------------------------------|----------------------|-----------------------|---------------|--------------| | 17-3-30 | 23EX | | Fitted to 23EX. | 22144 | | | | | 29-5-30 | 23EX | | | | 32938 | 10794 | 10794 | | 8-7-30 | 23EX | | | | 35538 -324 | 2276 | 13070 | | 14-8-30 | 23EX | | | | 38137 | 2599 | 15,669 | | 3-9-30 | 23EX | | Cam removed and examined condition V.{VIENNA} Good.| | 39299 | 1162 | 16,831 | | 4-9-30 | lab | | Cam handed to BY for inspection. | | | | | | ||