1978 Photomicrography Competition

TNT Polymorph

Christine Skirius

Affiliation
McCrone Research Institute
Chicago, Illinois, USA
Technique
Crossed polars
Magnification
100x

Aspirin crystals

David H Minsker

Location
West Point, Pennsylvania, USA
Technique
Transmitted Polarized Light
Magnification
100x

Tradescantia filament trichomes

John E. Turner

Location
Chicago, USA
Technique
Phase Contrast
Magnification
25x