1983 Photomicrography Competition

Slow melt of testosterone propionate

Per H. Kjeldsen

Affiliation
University of Michigan
School of Dentistry
Ann Arbor, Michigan, USA
Technique
Polarized Light
Magnification
50x

Antique 19th century microscope slide featuring composition of mounted butterfly scales and diatoms

Du Boistesselin

Affiliation
Chu. La Pitie’
Paris, France
Technique
Darkfield
Magnification
35x