THE ERIE STEAM ROAD ROLLER
In 1889 the Erie, Pa., machine shops perfected a steam road roller, which has met with great favor among paving contractors. It embodies distinct features of operative and structural merit peculiarly its own. These embrace strength, durability, ease of manipulation, and positive motion in all of its actuating parts. Shafts, bearings, and all wearing surfaces are large, and the form of frame and system of bracing assure extraordinary rigidity. All parts are made in duplicate, so that in case of accidental damage, the injured part can be quickly and economially replaced. Wrought iron and steel are employed, practically, throughout; the workmanship is, in every respect and detail, first-class, and every machine is guaranteed for one year against breakage or wear resulting from imperfect workmanship.
The form and construction of the frame embodies the maximum of strength with extraordinary rigidness, it is made of i-2xg-inch steel channel beams, strongly braced with the same material, the whole well riveted together. At the end it is braced by two strong bolts, removing every possibility of strain upon the water-tank. The extreme strength of the frame and its form making it of exceptional stiffness. insures perfect alignment of the engines, and their freedom of movement at all times and under all circumstances.
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