1981 Photomicrography Competition
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![](https://www.nikonsmallworld.com/images/photos/1981/_photo800/1981_01.jpg)
1st Place
Collapsed bubbles from an annealed experimental electronic sealing glass
David Gnizak
- Affiliation
- Ferro Corporation Research Center
Independence, Ohio, USA
- Technique
Reflected Light, Nomarski Differential Interference Contrast
- Magnifaction
- 55