Display Frame, Apollo, Passive Seismic Experiment


Display Status:

This object is not on display at the National Air and Space Museum. It is either on loan or in storage.

Collection Item Summary:

These parts are associated with the Qualification Model of the Apollo Passive Seismic Experiment. Placed on the lunar surface by the crews of Apollo 11 and four later Apollo missions, the experiment measured lunar shock waves caused by moonquakes or impacts on the surface. Data were relayed to receiving stations on Earth.

These parts were donated to the Museum along with the Qualification Model by the Bendix Corporation in 1972.

Collection Item Long Description:

Data Source

National Air and Space Museum

Restrictions & Rights

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


Credit Line

Gift of Bendix Corporation


Brass, Stainless Steel, Steel, Synthetic Fabric, Velcro, Paint, Rubber


  • Overall (Boxes): 1ft 2 1/2in. x 2 5/8in. x 2 1/8in. (36.83 x 6.67 x 5.4cm)
  • Overall (Strings with Keys): 2ft 2 1/2in. (67.31cm)
  • Overall (Detached Keys, Smallest: ): 5 1/4in. x 2 1/8in. (13.34 x 5.4cm)
  • Overall (Detached Keys, Largest): 6 3/16in. x 2 1/8in. (15.72 x 5.4cm)

Country of Origin

United States of America



Inventory Number


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