ONE:Aside from the greater rapidity with which a hammer may operate when working on this principle, there is nothing gained, and much lost; and as this kind of action is imperative in any hammer that has a 'maintained or positive connection' between its reciprocating parts and the valve, it is perhaps fair to infer that one reason why most automatic hammers act with elastic blows is either because of a want of knowledge as to a proper valve arrangement, or the mechanical difficulties in arranging valve gear to produce dead blows.Bruce nodded. He would keep his secret for the present even from Hetty. In any case this was not the place to discuss the great adventure.
TWO:As soon as they began to chase the men, the greater part of the inhabitants fled in dire fear, most of178 them towards the Campine. In the fields and the shrubberies the Germans must have killed a good many of the male fugitives, and made the others prisoners. Among the latter were my six fellow-victims.
TWO:Shaping machines are generally provided with adjustable vices, devices for planing circular forms, and other details which cannot be so conveniently employed with planing machines. Another feature of shaping machines is a positive range of the cutting stroke produced by crank motion, which permits tools to be stopped with precision at any point; this admits of planing [136] slots, keyways, and such work as cannot well be performed upon common planing machines.
THREE:VIII.There is, perhaps, no passage in Aristotles writingsthere is certainly none in his scientific writingsmore eloquent than that which describes the glory of his imaginary heavens. The following translation may give some faint idea of its solemnity and splendour:
