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He cast a glance around, and went straight for a neighbouring hollow, where, taught by experience, he hoped to find water. Once away, Gibbie had no thought of returning. Up Daurside was the sole propulsive force whose existence he recognized.

But the intelligence of genius is profounder and more personal than mere ideas. It has within it something energetic, expansive, propulsive from mind to mind, perennial, yet steady and controlled; and it was with such force that Johnson's almost superhuman personality inspired the art of his friends. Of this they were in some degree aware.

To spring, however, up the seat which Flora had vacated, and to dash out some of the flimsy and rotten wood-work at the back of the summer-house by the propulsive power of his whole frame, was the work of a moment; and before Henry could free himself from the clinging embrace of Flora, Varney, the vampyre was gone, and there was no greater chance of his capture than on a former occasion, when he was pursued in vain from the Hall to the wood, in the intricacies of which he was so entirely lost.

The vessel was double-hulled, and was worked by a capstan of five bars. The experiment was on the whole successful. But the chief difficulty was in the propulsive power. After a spurt of an hour or so, the men became tired with their laborious work. Mr. Taylor, student of divinity, and tutor of Mr.

By letter of August 19th the Chairman made report to the Minister of the findings of the Committee. The work on the grounds having taken longer than was anticipated, the Chairman took advantage of this delay to call the Committee together for a second meeting, during which M. Ader was to run the two propulsive screws situated at the forward end of the apparatus. The meeting was held October 2nd.

The main propulsive rocket motor was diametrically opposite the lens, so that the sphere could be steered simply by keeping the picture of its objective centered on the crossed hairlines of the viewplates. The outer shell moved magnetically as desired with respect to the core, which was gyroscopically stabilized.

Even where the rocks were thickest, it was apparent that there was a very well-defined channel between them, up which a carefully navigated boat might easily pass if propulsive power enough were applied to her to overcome the downward rush of the stream. But how was that power to be obtained? Certainly not by paddling; the stream was too swift for that.

Writers and experimenters do not agree on the question of the propulsive power, or on the form or shape of the wing which is most effective, or in the matter of the relation of surface to weight, nor do they agree in any particular as to the effect and action of matter in the soaring principle. Only a small percentage of flying creatures use motionless wings as in soaring.

But how is this remarkable propulsive machine made to perform its functions? If I were suddenly to kill one of these animals and to take out all the soft parts, I should find the shell to be perfectly inert, to have no more power of moving itself than is possessed by the machinery of a mill when disconnected from its steam-engine or water-wheel.

Gun-cotton alone and in its fibrous state has been found to be too quick, or violent, for propulsive purposes, such as use in firearms; as under such conditions of confinement it is very likely to detonate and burst the gun.