Motor tracks! are of various sorts, including the cinder surfaced variety; the brick surface ed type, as at Indianapolis which is a square track; the cemented speedways' at. Weybridge with parabolic banking at either end; the figure of eight type at Monza, near Milan; and the asphalted sorts such as are the tracks possessed by a number of manufacturers, including some in this country; as well as the various graded ways for testing gears and hill-climbing powers with various loads employed by many companies. It remained, however, for the Fiat Company, the leading Italian makers, to build a motor test track on the roof of its new factory at Lingotto, in the vicinage of Turin, where all these cars are now manufactured, and whereon all, including those with covered body work, are tested. The track measures 1,270 yards round, and is of the Brooklands sort with "bankings at either end, the straight away being along the roof of the "we main parallel blocks which coastitute the chief part of the factory. The track is 78 feet wide, being built of armoured concrete with an asphalt top dressing, having a five-foot high concrete wall on either side of the straight away stretches, as well as on the inside of the curves, the wall on the outside of them being 10ft. high. Under the slanting bankings are shops where tepters can
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