Mesozoic Perisphinctes Ammonite Fossil Replica, 4cm Capacity_1.7mL Aluminum water bath with 150mm

Aluminum water bath with 150mm diameter holds larger beakers and flasks for gentle indirect heating during biology and chemistry procedures

Squat-form porcelain crucible with lid holds 100mL in glazed construction for high-temperature combustion and chemistry heating procedures

this interchangeable dial carries an integrated shunt or voltage multiplier sealed in its laminated panel

5 by 4-inch ventilation apparatus modeling historic mine-gallery airflow and domestic chimney convection through a candle-driven hot-air-rise demonstration

Thousand-turn main coil on an insulated bobbin with 4mm socket terminals

Mesozoic Perisphinctes Ammonite Fossil Replica, 4cm Capacity_1.7mL Aluminum water bath with 150mmPerisphinctes ammonite fossil replica measures 4cm across with coiled shell detail for Mesozoic cephalopod evolution teaching.