t appearance and of compact form and size; provision In their final report the Committee of the British Associa- On a solid bed frame of suitable size is supported a is made for operating and regulating the various parts from tion on the use of steel for structural purposes, states "that closed… … the crank shaft of a flywheel, and also the piston of person on horseback or in a vehicle. It is simple in Fig. 3.-VERTICAL SECTION OF ENGINE AND PUMP construction and easily operated. the oscillating cylinder by a piston rod with a An improved Post Hole Digger has been patented second crank of the…
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