Patent for a new and improved combined hollow auger attachment and felly-boring machine. This design "relates to an improved felly-boring machine which is adapted with slight adjustment to co-operate with a hollow auger for forming the tenons on the spokes. [The] invention consists in the construction of the frame, the clamp for securing it to the spokes or felly-supports, and in the means for holding and adjusting the auger" (lines 14-21).
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