File:Steve Papell NASA ferrofluid developer in 1963.JPG
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 14:58, 22 December 2018 | 2,400 × 3,000 (2.61 MB) | wikimediacommons>Opencooper | higher res from https://www.dvidshub.net/image/854906/steve-papell-laboratory-test-setup |
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