The trials of the new Scott-Moncrieff tramway-car at Glasgow this
week seem to have shown results of some importance. The car, which is inipelled by compressed air, is rather larger and heavier than an ordinary tramway-car, and can be driven at ten miles an hour, but its usual speed in towns is to be only six. At this rate the car can be taken up and down the steepest gradients overcome by the usual tramway-cars, makes no noise, and costs for motive-power only lid. a mile, against 7d. per mile when drawn by horses, a saving which will soon give those who use it a monopoly of the traffic. The invention, if really as cheap as is alleged, will be most useful for crogs country railways, and ought before long to be applied to all threshing-machines and other heavy engines which now frighten the horses on country roads, while it excites a hope that at some future date we may yet be able to dispense with horses as beasts of draught. The animals have one permanent disadvantage in any contest with machinery,
they eat when they are not at work.
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