Museum of History & Industry

The Museum of History & Industry is a history museum in the South Lake Union neighborhood of Seattle, Washington, United States. It is the largest private heritage organization in Washington state, maintaining a collection of nearly four million artifacts, photographs, and archival materials primarily focusing on Seattle and the greater Puget Sound region. A portion of this collection is on display in the museum's galleries at the historic Naval Reserve Armory in Lake Union Park.The museum's keynote exhibits include Boeing's first commercial plane, the 1919 Boeing B-1, the Petticoat Flag, a U.S. flag sewn by women during the 1856 Battle of Seattle, and the Rainier Brewing Company's 12-foot tall neon "R" sign.