An excert from the opening page.:
The spectators may stand or be seated in chairs, one to each side pf the table. They are instructed to place the palms of their hands on the table top with fingers outstretched. The little finger of each hand should contact the little finger of the person to the left and right. The hands of each spectator are not together, but make contact with their neighbors."
The Nelson instructions are as complete as you will find. Eddie Joseph's book, now also out of print, was the only other book I know of covering the subject.