jeffs4653: Where Modern America Was Invented
jeffs4653: Power
jeffs4653: Machine Shop Drive
jeffs4653: Edison Shops
jeffs4653: Machine Shop
jeffs4653: Room 12
jeffs4653: Distillery
jeffs4653: Chemical Laboratory
jeffs4653: Drafting Room
jeffs4653: Chemical Laboratory
jeffs4653: Fire Escape
jeffs4653: Fire Alarm
jeffs4653: Insulated
jeffs4653: Edison Library
jeffs4653: To Points Unknown
jeffs4653: First Concrete