1984 Photomicrography Competition

Nerve tissue in the retina of the Walleye pike

Timothy W Kraft

Affiliation
University of Minnesota
Department of Physiology
St. Paul, Minnesota, USA
Technique
Nomarski Differential Interference Contrast
Magnification
200x

Dendritic agate

John I. Koivula

Affiliation
Gemological Institute of America
Carlsbad, California, USA
Technique
Stereomicroscopy
Magnification
35x