One of the busiest facilities on the National Mall, the Smithsonian's Air and Space Museum has two theatres with Irwin Seating Company installed in them.
The Lockheed Martin Imax Theatre seats 542 with model No. 184.108.40.206 Signature. These riser mounted chairs are upholstered in Momentum Theory fabric and finished with black plastic and powder coat with armrests stained in No. 17 India Teak.
The Albert Einstein Planetarium seats 233 people in model No. 220.127.116.11 Signature. These seats are upholstered with Momentum Theory Royal fabric with headrest in CMI Illusions Montara vinyl.