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Gravimeter, Lunar Traverse, Apollo


Display Status:

This object is on display in the Apollo to the Moon exhibition at the National Air and Space Museum in Washington, DC.

Collection Item Summary:

The Lunar Traverse Gravimeter was designed to measure the Moon's gravitational field using a precise accelerometer. While on the Moon, astronauts would move the device to different locations and take readings of the graviational force.

This particular Traverse Gravimeter is the flight back-up unit for the Apollo 17 mission. It was transferred to the Smithsonian in 1975.

Collection Item Long Description:

Data Source

National Air and Space Museum


Do not reproduce without permission from the Smithsonian Institution, National Air and Space Museum


Credit Line

Donated by the Office of Naval Research


  • Overall: synthetic fabric, metal, aluminum, mylar
  • Power pack: steel switches, brass, aluminum housing, synthetic covered wires


3-D: 25.4 × 22.9 × 44.5cm (10 × 9 × 17 1/2 in.)

Country of Origin

United States of America



Inventory Number