US$ 52.00
áPack of 2
and Ohm's-law study
opening to 2
5 by 4-inch ventilation apparatus modeling historic mine-gallery airflow and domestic chimney convection through a candle-driven hot-air-rise demonstration
double-parallel
7.9" Polypropylene Stirring Rods with Rounded Ends, 7mm, 12-Pack Racks & Stands_Pipette & Burette Stands áPack of 2Twelve pack of 7. 9 inch polypropylene stirring rods with rounded ends, chemical resistant and heat tolerant for general purpose mixing of classroom laboratory solutions.
US$ 52.00
US$ 53.00
US$ 147.50
US$ 52.00
US$ 34.20
US$ 36.00
US$ 52.00
US$ 29.99
US$ 24.00