Description

Pair of 12 by 3

Laboratory table clamp mounting rods to benches up to 2

leaving inertia to drop the ball straight into the waiting receptacle below

varying length isolating density as the single variable across materials

Ventilation Demonstration Apparatus, 8.7 x 6.5 x 4" Capacity_50mL Pair of 12 by 3Large 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 Pair of 12 by 3

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