the labor of three men | quarter of each turn, leaving three quarters of the working | of pushing the bar against it starts the machine. The and no small expenditure of time. It is hardly necessary | time and all the time between work for it to accumulate | notches made in the blades for cutting… … chariot or platform is to run, largest bar to be cut is placed close to the axis or actual and upon this platform is to be center of the shears. This is STEVENS’ IRON-CUTTING SHEARS. placed a submarine boat, com- claimed to secure the shortest possible unit of leverage for | from its face, on which…
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