1986 Photomicrography Competition

Ductile cast iron

Robert Voigt

Affiliation
University of Kansas
Mechanical Engineering Department
Lawrence, Kansas, USA
Technique
Reflected Light, Interference Contrast
Magnification
400x

PVC tape

Thomas Tottleben

Affiliation
Scientific Supply Company
Schiller Park, Illinois, USA
Technique
Nomarski Differential Interference Contrast and a Polarizer
Magnification
10x

Sodium chloride (common salt)

William R. West

Affiliation
Carolina Biological Supply Company
Burlingon, North Carolina, USA
Technique
Rheinberg Illumination
Magnification
30x