Patent for a new and improved post-hole digger. This design consists in "the combination, with an annular head carrying cutters, of the block or bar, the arms secured at their upper ends to the bar or block and at their opposite ends to the head, the cylinder, and the yielding arms secured at one end to said bar and their opposite ends adapted to engage the upper edge of the cylinder" (lines 34-41).
Patent for Spark-Arrester. The author claims his invention catches sparks and throws them to the bottom of the chamber to the discharge pipe. Used in locomotive smoke stacks.
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