1983 Photomicrography Competition

Oocyte (egg cell) from Xenopus laevis (South African clawed toad)

John M Murray

Affiliation
University of Pennsylvania
Department of Anatomy
Philadelphia, Pennsylvania, USA
Technique
Darkfield
Magnification
30x

Defect caused by a surface tension imbalance of the coating fluids of a Polaroid color negative

Edmund Montello

Affiliation
Polaroid Corp.
Waltham, Massachusetts, USA
Technique
Kohler Illumination
Magnification
26x

Wafer of electronic grade polycrystalline silicon

Joseph A Psioda Eric D Bieler

Affiliation
Union Carbide Corp.
Central Scientific Laboratory
Tarrytown, New York, USA
Technique
Differential Interference Contrast and Polarized Light
Magnification
250x