[Bubier], Edward Trevert, 1858- [from old catalog] · Lynn, Mass., Bubier pub. co. · leaf 221
rength, and excels allothers of the same class in the matter of design,the material being distributed to give the greatestpossible strength and rigidity. A great feature ofthis machine is that the coal is cut in an upward di-rection which greatly assists in keeping the machinedown to the ground,… … 220 ELECTRICITY AND ITS the bearings which hold the cutter bar, the bar hasto withstand not only the strain due to the resist-ance of the coal being cut, but also that which thechain itself has to overcome. In the Edison Machine a counter shaft is placedbehind the cutter bar to which the power is…
Electricity
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