Fume hood

Images and text by Garry Harrison,
Head, Circulating Collections Conservation,
Indiana University Libraries Preservation Department

Fume hood

The fume hood allows for the use of materials which produce offensive fumes. It is equipped with a powerful exhaust fan, and it works by evacuating the fumes out a flue. Its glass doors open and close horizontally and are contained in a sash which operates vertically. So the shape of the opening through which the work is done can be varied in size and shape, depending on whether the sash or the doors are opened. With the opening minimized, even solvents as evil-smelling as xylene can be used without a trace of its vapors being detectable by the operator.

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