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Ashed Wire Insulation from a House Fire View through a Microscope

Ashed Wire Insulation from a House Fire

This is a piece of ash from the burned cotton/asphalt insulation on house wiring as a result of a house fire. Tapelifts maintain the spatial distribution of artifacts such as this ash so that their source can be identified.

Transmitted Off Crossed Polarized Light and Reflected Darkfield Illumination

Definition/Function:

Significance in the Environment:

This is from an older type of house wiring that was insulated by a coating of tar or asphalt saturated cotton fabric. Particles like this indicate that the wiring in the wall of the home was exposed to open fire when and/or where there was ample oxygen. That is often where the fire began.

Characteristic Features:

Associated Particles:

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