This exhibit had to be constructed so that the satellites were inaccessible to the public, so everything had to be behind glass.
Here are a satellite, atomic clocks, and and antique clock from the olden days.
More satellites.
Concept drawing, view from back to gallery entrance.
From front of gallery to right rear.
Left hand cubby.
This exhibit had two distinct graphic panels. The "chalkboard" panels cover the history of the NRL and...
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Sun, Sea, and Space: the Naval Research Laboratory.

The Naval Research Laboratory lent us some satellite prototypes for an exhibit.

These are the original engineering mock-ups of satellites that would eventually go into orbit.

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Bill Rogers
Exhibits Designer and Fabricator Washington, DC