1980 Photomicrography Competition
![Small World](/images/SW50-logo.png)
![](https://www.nikonsmallworld.com/images/photos/1980/_photo800/1980_06.jpg)
6th Place
Thick cross-section of polymer pen tip (Green color is pen ink)
Steven B. Warner
- Affiliation
- Celanese Research Company
Summit, New Jersey, USA
- Technique
- Polarized Light
- Magnifaction
- 20
6th Place
Thick cross-section of polymer pen tip (Green color is pen ink)