Handbook of construction plant, its cost and efficiency (1918)
Dana, Richard Turner, 1876-1928 · New York, McGraw-Hill book company, inc., [etc., etc.] · leaf 443
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 by a… … Fig. 187. Petrolithic Gang Rooter. Combined Plow,and Scarifier for Road or Other Heavy Worl<. Rooter peculiarly shaped spikes instead of cutting discs. It is usuallydrawn by four horses. Wlhen used in connection with the rooter,its particular function is to break up and pulverize the clods.
Contractors' operations · Building
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