230There was not much traffic. Only here and there stood some German soldiers, or seriously wounded men were lying on mattresses and chairs. Nearly every house by the roadside had been turned into an emergency hospital, for from all sides they brought in soldiers wounded by shells that had exploded amidst the advancing divisions.
TWO:There was nothing in the kitchen, but there were some boxes in the storeroom beyond--a tin or two of sardines and some biscuits. Also in a wine cellar Leona found a flask or two of Chianti.Both increate and indestructible,
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"Which means that you are not going to tell me?"Ren Lalage thought not. All the same, he seemed puzzled. But he could not be definite, and Prout was fain to be content.As a means for transmitting power, shafts afford the very important advantage that power can be easily taken off at any point throughout their length, by means of pulleys or gearing, also in forming a positive connection between the motive-power and machines, or between the different parts of machines. The capacity of shafts in resisting torsional strain is as [46] the cube of their diameter, and the amount of torsional deflection in shafts is as their length. The torsional capacity being based upon the diameter, often leads to the construction of what may be termed diminishing shafts, lines in which the diameter of the several sections are diminished as the distance from the driving power increases, and as the duty to be performed becomes less. This plan of arranging line shafting has been and is yet quite common, but certainly was never arrived at by careful observation. Almost every plan of construction has both advantages and disadvantages, and the best means of determining the excess of either, in any case, is to first arrive at all the conditions as near as possible, then form a "trial balance," putting the advantages on one side and the disadvantages on the other, and footing up the sums for comparison. Dealing with this matter of shafts of uniform diameter and shafts of varying diameter in this way, there may be found in favour of the latter plan a little saving of material and a slight reduction of friction as advantages. The saving of material relates only to first cost, because the expense of fitting is greater in constructing shafts when the diameters of the different pieces vary; the friction, considering that the same velocity throughout must be assumed, is scarcely worth estimating.
