Handbook of construction plant, its cost and efficiency (1918)
Dana, Richard Turner, 1876-1928 · New York, McGraw-Hill book company, inc., [etc., etc.] · leaf 632
esert roads. A special type,however, called the Caterpillar or Paddlewheel Engine, Fig.299, so designated from the peculiar constructign. pf Us rear 628 HANDBOOK OF CONSTRUCTION PLANT and propelling wheels, has been placed in service with goodresults. This engine, instead of the large hind wheel… … Fig. 299. Caterpillar Tractor. and engage an endless belt of shoes or platforms whichpass around the sprocket and center wheels, 78 inches distant,the latter acting as idlers. These platform wheels have the sametractive area as an ordinary round wheel, 54 feet in diameter. The motor used is of the…
Contractors' operations · Building
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