Abstract The Bally-Midway-Williams records are an assemblage of documentation from the Bally, Midway, and (predominantly) Williams pinball companies. Materials within this collection include parts lists, bills of material forms, corporate memos, notes, playfield drawings, parts diagrams, wiring diagrams, packaging testing documentation, change notice forms, copyright registration information, engineering logbooks, and more. The majority of this collection is on pinball games, though documentation on...