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).
Instructions to test an American ignition set by fitting a mica condenser and observing for contact failure.
| Identifier | ExFiles\Box 34\1\ Scan285 | |
| Date | 6th November 1918 | |
| RR 238 (100 Bks.) (SF 152. 6-11-18.) MP 197880 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To Order No. Customer's No. 6 Accordingly, it would be instructive to fit a mica condenser to one of the American ignition sets, which is known to work satisfactorily with tungsten points, and see if the contacts fail under this condition. Signed F.J. Allen This Sheet must be filed on completion of the work. | ||