Museum of History and 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.