To meet this requirement, Walker in 1878 introduced the Cherub FIG.

In connexion with (a) the principal requirement is clearness of field.

But it at least satisfies the requirement that the inquiry shall carry the plain man along with it.

(X.) Hydrostatics Hydrostatics is a science which grew originally out of a number of isolated practical problems; but it satisfies the requirement of perfect accuracy in its application to phenomena, the largest and smallest, of the behaviour of a fluid.

The question of the position of Greek in secondary education has from time to time attracted attention in connexion with the requirement of Greek in Responsions at Oxford, and in the Previous Examination at Cambridge.