Few attempts, however, have been made to prospect systematically for this valuable mineral.
Mysticism was more systematically developed by Bernard's contemporary Hugh of St Victor (1096-1141).
He concluded from this that when these measurements were made and recorded systematically every single individual would be found to be perfectly distinguishable from others.
The resistance to motion round a curve has not been so systematically studied that any definite rule can be formulated applicable to all classes of rolling stock and all radii of curves.
In each case the results of the observations may be systematically in error, not only from the uncertain diameter of the moon, but in a still greater degree from the varying effect of irradiation and the personal equation of the observers.