Vintage CRAFTSMAN DRILL GRINDING ATTACHMENT 9-6677 - (eBay item 290179664938 end time Nov-15-07 16:54:44 PST)
This drill bit grinding attachment is marked, "Craftsman Drill Grinding Attachment, 9-6677, Sears Roebuck and Co., U.S.A." The angle selector is marked, "CSK, 49 degrees, 59 degrees, 68 degrees, 88 degrees."
The base can be screwed down to a table and the rest of the tool twists around to wherever you need it. Three clamps hold the bit you're grinding exactly where you need it.
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