FA59

Frame ID: FA59
Sample ID: 92375 (slide 387-5)
Magnification: 270 microns on long side
Illuminator: Vertical
Objective: 50x oil
Polarizer: Out
Analyzer: Out
Retarder Plate: Out
Filter:
Important Features: Chambered glass sphere

Description: Chambered glass sphere. Unspecified coal source.