M39

Frame ID: M39
Sample ID: Metallurgical Coke
Magnification: As given
Illuminator: Vertical
Objective: 50x oil
Polarizer: In
Analyzer: In
Retarder Plate: In
Filter: None
Important Features: Burnt (oxidized) coke
High Resolution Image (300 dpi)

Description: The particle at the top of the frame has been burnt when the coke was pushed from the coke oven.