Handbook of construction plant, its cost and efficiency (1914)
Dana, Richard Turner, 1876-1928 · Chicago, The M. C. Clark Publishing Co. · leaf 444
four horses. This machine is also very useful in compactingearth embankments. Weight of machine 4,800 pounds, price$150. Another type is illustrated in Fig. 186. Rooter-Scarifier, or Gang- Road Rooter: Fig. 187. This ma-chine is a combination of plow, rooter and scarifier. It is com-monly operated… … Fig. 187, Petrolithic Gang Rooter. Combined Plow, Rooterand Scarifier for Road or Other Heavy Work. peculiarly shaped spikes instead of cutting discs. It is usuallydrawn by four horses. Wttien used in connection with the rooter,its particular function is to break up and pulverize the clods.
Contractors' operations · Building
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