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These are six circular plates for payload framing with different patterns. They are components from a payload inventory originally intended for the University of Iowa package to be flown on Vanguard and the early Explorer satellites. They were in George Ludwig's possession since they were built in the late 1950s. Donated by Dr. George Ludwig in 2006.

 Display Status

This object is not on display at the National Air and Space Museum. It is either on loan or in storage.
Object Details
Country of Origin United States of America Type INSTRUMENTS-Scientific Dimensions 3-D (Large, stencil plates): 14.3 × 14.3 × 0.2cm (5 5/8 × 5 5/8 × 1/16 in.)
3-D (Small, Stencil Plates): 13.3 × 13.3 × 0.2cm (5 1/4 × 5 1/4 × 1/16 in.)
 Materials Synthetic
Coating
Plastic
 Inventory Number A20060086014 Credit Line Designed and Donated by Dr. George H. Ludwig. Data Source National Air and Space Museum Restrictions & Rights Usage conditions apply
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