Here is a list of articles that you may find interesting...

    Every Game Tells A Story - the story of Ken's 1936 Rockola Credit's early history, from the clues inside the machine

    A Universal Power Supply - how to make a permanent AC power supply for battery operated machines - cheap!

    A 'Lionel' Power Supply - how to convert a Lionel model train transformer into a variable voltage power supply

    Shyvers Pinball List - Art's list of Shyvers pinball machines

    Russ's Photos List - Russ's list of pinball machine photos as of 2/2005 (written in Excel)