Visit us in Washington, DC and Chantilly, VA to explore hundreds of the world’s most significant objects in aviation and space history.
Learn how aviation and spaceflight transformed the world.
The lunar module represents one of humanity’s greatest achievements: landing people on another heavenly body.
Don’t miss our fast-paced webcasts designed to engage students in Science, Technology, Engineering, and Math in 30 minutes.
Experts answer your questions about aerospace.
Our scientists are involved in current research focused on the Martian climate and geology. Find out what we’re discovering.
Recognize your favorite air or space enthusiast. Add their name to the Museum’s Wall of Honor.
National Air and Space Museum Collection
White plastic with black and red markings.
Previous museum tag: Temperature - Humidity Evaluator, US Army Signal Corps, ML - 420A/AM4
Gift of Ben W. Rau
G. Felsenthal & Sons Inc.
United States of America
Non-Magnetic White Metal Alloy
3-D: 28.3 × 2.5 × 28.9cm (11 1/8 × 1 × 11 3/8 in.)
Storage: 33.3 × 7.6 × 34cm (13 1/8 in. × 3 in. × 13 3/8 in.)
National Air and Space Museum
INSTRUMENTS-Computers, General Purpose
Today's Hours: Closed
Today's Hours: 10:00 am to 5:30 pm