g these covers by with the crease. horse power, so that one animal and a boy can move TROLLEY WHEEL.—New forms of trolley wheel are 160 covers in six minutes. This represents the work constantly being patented, showing that the trolley of ten men. It is estimated that this device represents problem… … at a time, and no more. Should it, however, owing to herewith a simple form of electric switch which will TROLLEY WHEEL. bad paper, chance to take two sheets or, on the other hand, fail to take a sheet at all, both the feeder and struction it will be observed that the trolley wheel is press would…
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