This may..may be of help

http://www.archive.org/stream/Excell...anual_djvu.txt

pretty garbled, looks same as what Pete found.

Some of those draw bars actually come out the bottom

??? Don't see how that would ever work.

Gunner

Does this mean anything to you? Mine is a splined power drawbar and it
surely must have a bearing in there because it rotates with almost no
friction. My old series II bridgeport had this.

Karl