Hugh Kown is a master restoration expert on bingos, and a master repair technician.
He is also known as the 'Old Binger' and ran an incredibly popular bingo pinball forum several years ago.  His site, oldbinger.com, lists some of the beautiful restoration work he has completed.
Hugh recounts some of his early bingo memories, and provides a really fascinating way to look at troubleshooting using a schematic!