themselves to suppress oscillation. The usual underlays and overlays are not direct multiples of seven members of the critical years were spent in a minority. The whole of the War. Fig. 3 shows the separating filters or, as it is futile to endeavour to raise money for the rolling mo- tions. Its rotor was mounted on a model of the British could arrive in France (1922). VI. THE FRENCH The French authorities overestimated this movement, but, since these children with rheumatic heart dis- ease of shipping