US$ 43.20
supporting pediatric anatomy teaching and prenatal skull-formation lessons
and a hook magnet for center-of-gravity
this interchangeable dial carries an integrated shunt or voltage multiplier sealed in its laminated panel
Carefully lagged nickel-plated copper 3 by 2-inch inner cup inside a 4 by 2
5 by 4-inch ventilation apparatus modeling historic mine-gallery airflow and domestic chimney convection through a candle-driven hot-air-rise demonstration
Mesozoic Perisphinctes Ammonite Fossil Replica, 4cm Capacity_1.7mL supporting pediatric anatomy teaching andPerisphinctes ammonite fossil replica measures 4cm across with coiled shell detail for Mesozoic cephalopod evolution teaching.
US$ 43.20
US$ 199.00
US$ 19.90
US$ 46.00
US$ 61.20