Note: Please study the images carefully to determine the condition of this vintage photograph, as it may not be in perfect condition. It may contain wrinkles, cracks, and possibly even tears due to its age and how it was handled before it got to us. A scanner may interpret colors and contrast differently than human eyes will, so it is possible that the actual photograph may be slightly darker or lighter in person.

1971 Press Photo Professor Robert Kovsen demonstrates Apollo 14's "thumper"

This is an original press photo. Robert L. Kovach, professor of geophysics at Stanford University, demonstrates an active seismic device, called the thumper, that Apollo 14 astronaut Edgar D. Mitchell will use to detonate 21 firecracker-size explosions on the moon, when the Apollo 14 spacemen explore the lunar surface February 5. Study of the resulting vibrations will give scientists new information on the shape, structure and thickness of the outer lunar crust. Photo measures 8 x 10 inches. Photo is dated 01-29-1971.

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Historic Images Part Number: now25258