Ventilation Demonstration Apparatus, 8.7 x 6.5 x 4" Plastic Labware_Plastic Measuring Cylinders Aluminum pendulum clamp with three

Aluminum pendulum clamp with three screw attachments on a die-cast head clamp fitting rods up to 16mm

75 inches tall with visible crankshaft

Cork-lined jaws on this two-prong universal clamp grip glassware without scratching

and stomach demonstrates internal anatomy and organ relationships for ichthyology teaching

this polished hardwood funnel stand holds two 1

Ventilation Demonstration Apparatus, 8.7 x 6.5 x 4" Plastic Labware_Plastic Measuring Cylinders Aluminum pendulum clamp with threeLarge 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.