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Photographic gallery.  Thousands of particles under the microscope.

Sister Unit of Failed Bushing

These particles were collected from the oil used to impregnate the paper insulation around the core of a large capacitive bushing. It includes a flake of limonite (orange), a plant hair (white fiber), a moth scale (ribbed structure), a natural mineral (clear particle upper left) and other debris.

Transmitted Crossed Circular Polarized Light

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