Black text on a gold and white lenticular background. The gold "gears" seem to mesh and move with each other when looked at from different perspectives.
Dimensional Research Burlingame, California Pat Pending (Stamped in Metal)
This interesting button has the chemical equation for Goldwater and shows gold "gears" in motion. Barry Morris Goldwater (1909-1998) was a 5 term US Senator from Arizona and the Republican Party's nomination for the 1964 Presidential election. He lost the election to Lyndon B. Johnson, but remained active in politics, retiring in 1987.