Page:Motors and motor-driving (1902).djvu/195

Rh perhaps, but sometimes a convenience in hot weather, and always some slight economy of spirit, and lastly, in changing gear, the button may be used at the same moment as the clutch with a very quiet change as the result.

The magneto machine seems thoroughly trustworthy. The writer has carried a spare one for many thousands of miles, but never had occasion to use it, the original one having apparently never failed in a single spark.