A subscriber's letter fits into place now, and the answer, The Ballot Box Divination, is forgotten proof of the date when my indexes were in constant use. In the Sphinx for May 1926 was published a note from me asking priority claim to the effect. No method was given. A miniature revolving ballot box of the standard type (screening around the drum to leave contents visible) contained wooden counters of the Lotto type numbered from 1 to 50. It could be turned by a small crank. It was entirely unprepared. The performer would attempt to forecast a drawing of a…