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Still, the ordinary Otto-cycle internal combustion engine can be rendered almost silent by the utilisation of adequate muffling devices, which, in the Zeppelin, are more possible of incorporation than in the aeroplane, because the extra weight imposed by this acquisition is a minor consideration in comparison with the lifting power of the vessel.
Still unsolved electrical problems are the making of a satisfactory alternate current motor suitable for running with the kind of currents generally used for electric lighting purposes the utilisation of the glow lamp having a partial vacuum or attenuated gas for giving a cheap and soft light somewhat on the principle of the Geissler tube and last, but not least, the direct conversion of heat into electricity.
General Chetwode held that careful preliminary arrangements, suitable and elastic organisation of transport, the collection of material at railhead, the training of platelaying gangs provided by the troops, the utilisation of the earthwork of the enemy's line for our own railway, luck as regards the weather and the fullest use of sea transport, should enable us to give the enemy less breathing time than appeared possible on paper.
Such are but common examples of the utilisation of stones even in the poorest villages; and if you have any natural artistic sentiment, you cannot fail to discover, sooner or later, how much more beautiful are these natural forms than any shapes from the hand of the stone-cutter.
The path from the laboratory to the workshop is sometimes a tortuous one; electro-magnetic radiations were known and demonstrated for twenty years before Marconi made them practically available, and in the same way it was twenty years before induced radio-activity could be brought to practical utilisation.
The wave-power machine, when allied to electric transmission, will, without doubt, supply in a cheap and convenient form a material proportion of the energy required during the twentieth century for industrial purposes. Easy and effective transmission is a sine quâ non in this case, just as it is in the utilisation of waterfalls situated far from the busy mart and factory.
On the 9th Mr. Bradlaugh spoke on the utilisation of waste lands, arguing that in a thickly populated country no one had the right to keep cultivable land uncultivated, and that where land was so kept there should be compulsory expropriation, the state taking the land and letting it out to cultivating tenants.
The real work before mankind now, I realised once and for all, is the enlargement of human expression, the release and intensification of human thought, the vivider utilisation of experience and the invigoration of research and whatever one does in human affairs has or lacks value as it helps or hinders that.
Smollett, by his remarkable utilisation of the characteristics of the other members of Magna-Britannia; by his excursions into foreign European and even transatlantic scenery, had widened the external if not the internal prospect; and had done perhaps even more by that chance-medley, as it perhaps was, of attention to the still more internal detail which was to be of such importance in the novel to come.
The swinging pendulum, with connected apparatus for compressing air or, perhaps, for generating the electric current, seems to be the most controllable and therefore the safest of the various types of apparatus which are applicable to the utilisation of wave-power for propulsion.
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