1993 Photomicrography Competition

Section of blue-green algae fossil

Norm Barker

Affiliation
Johns Hopkins School of Medicine
Baltimore, Maryland, USA
Technique
Brightfield
Magnification
10x

Corallum rubrum (red coral)

Christian Gautier

Affiliation
JACANA Press Agency
Vanves, France
Technique
Rheinberg Illumination
Magnification
14x

Sprayed powdered aluminum metallographically polished and etched

Robert A. Edahl, Jr.

Affiliation
NASA - Langley Research Center
Hampton, USA
Technique
Differential Interference Contrast
Magnification
18x