1986–1990
Gemini G.E.L., 1975
Gemini G.E.L., 1966
Gemini G.E.L., 1987
Gemini G.E.L., 1967
Gemini G.E.L., 1976
Gemini G.E.L., 1971
Gemini G.E.L., 1972
Gemini G.E.L., 1980
Gemini G.E.L., 1979
Gemini G.E.L., 1969
![Objects [special proof]](https://api.nga.gov/iiif/534fe551-4536-4461-980c-2f1ec6d16a8b/full/843,/0/default.jpg)
![Figure 9 [color trial proof]](https://api.nga.gov/iiif/a6d86825-54ba-4a1a-921a-a56ed4b8b8f0/full/843,/0/default.jpg)
![Untitled [working proof]](https://api.nga.gov/iiif/d8c203e1-2984-46a5-a5e4-73aaae704297/full/843,/0/default.jpg)
