This archival photo shows the Voyager Proof Test Model (in the foreground right of center) undergoing a mechanical preparation and weight center of gravity test at NASA's Jet Propulsion Laboratory, Pasadena, California, on January 12, 1977.
Voyager is managed for NASA by JPL. JPL is a division of the California Institute of Technology, Pasadena.
For more information about Voyager, visit http://www.nasa.gov/voyager and http://voyager.jpl.nasa.gov.
Photojournal Note: Also available is the full resolution TIFF file PIA21476_full.tif. This file may be too large to view from a browser; it can be downloaded onto your desktop by right-clicking on the previous link and viewed with image viewing software.