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).
Test report on a Watford Magneto with a larger armature for improved slow running.
| Identifier | ExFiles\Box 49\5\ Scan185 | |
| Date | 28th March 1923 | |
| X.4279 Mr. Hives/Mr. Clark. from GWH.{George W. Hancock - Head Chateauroux} 28.3.23. X.4279 - Larger Armature - Watford Magneto. Magneto to give better slow running. This magneto (Type EL06 - No.5504) was fitted to 4.EX on the 2.2.23. It has run 1,859 miles. There is a noise in the magneto which comes from the sleeves. It has got too bad to continue to run it. Slow running has been very good - a speed of 4 m.p.h. being maintained - it is also very good on acceleration, and for easy starting. The magneto has been returned to Mr. Clark. GWH.{George W. Hancock - Head Chateauroux} | ||