1977 Photomicrography Competition

Dense central core of mucus

Robert C. Turner

Location
San Diego, California, USA
Technique
Brightfield
Magnification
320x

Ascorbic acid dissolved in alcohol

Bronislaw Rakiewicz

Location
Hamilton, Ontario, Canada
Technique
Polarized Light
Magnification
39x

Sulphonal crystal

William A. Sokol

Location
Culver City, California, USA
Technique
Polarized Light
Magnification
40x