This personal dosimeter was flown on the Apollo 11 in July 1969 and used by command module pilot Michael Collins. Dosimeters were designed to measure the cumulative radiation dose each astronaut received during the course of the mission.
Transferred from NASA to the National Air and Space Museum in 1972.
Transferred from NASA
Manufacturer: General Dynamics, Ft. Worth Division
Astronaut: Michael Collins
Country of Origin: United States of America
Overall: 3 1/8 in. long x 2 3/16 in. wide x 13/16 in. deep (7.9 x 5.6 x 2.1cm)
Overall: aluminum, plastic, glass
Inventory number: A19980048000
This artifact is on display in the gallery of the National Mall building.