ebrated artist, at that time chief engi- young men engaged principally in loco- neer of the Boston & Albany Railroad, motive building. This machine was then called the Massachusetts Western, used in a variety of work in different was much interested in the working of places, part of its performance… … MADE BY WILLIAM S. OTIS IN 184I. AN EARLY STEAM EXCAVATOR. THE FORERUNNER OF THE MODERN STEAM SHOVEL there employed it was guarded by a caused the government to purchase two of these machines for use in the con- company of British soldiers, as the work- men threatened to destroy it. They struction…
Engineering
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