There's no shortcutting the implementation of these games in the Multi-Bingo. Duncan Brown's Expo seminar on the unproduced games of Harry Williams is an amazing story:  It's the biggest EM news in many years.  Well worth the read!   The Pacific Pinball Expo is happening on Nov 10-13 in Alameda, CA.  Attend and play some of the great woodrail and EM games (and some bingos, too!):    The featured game is 1947's Williams Torchy: http://ipdb.org/machine.cgi?id=2596