Description

Double-walled in aluminum to minimize heat exchange with the surrounding air

and a candle holder

lets students compare how line density per unit length controls the spacing of the resulting interference pattern

which also mounts to bench edges and boards of equal thickness

Ventilation Demonstration Apparatus, 8.7 x 6.5 x 4" Capacity_50mL Double-walled in aluminum to minimizeLarge format 8. 7 by 6. 5 by 4 inch ventilation apparatus modeling historic mine gallery airflow and domestic chimney convection through a candle driven hot air rise demonstration.

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Ventilation Demonstration Apparatus, 8.7 x 6.5 x 4" Capacity_50mL Double-walled in aluminum to minimize

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