G' by Free Fall Apparatus Material_Plastic this dual-cell model pairs plant

this dual-cell model pairs plant and animal cells side by side to highlight cell wall

5 inches) make north and south poles instantly identifiable during attraction

Cast in powder-coated zinc alloy at thick gauge for high torsional strength

Standard rheostat at 280 ohms and 1

and strike-slip faults with clearly distinguished hanging-wall and footwall blocks for structural-geology lessons

G' by Free Fall Apparatus Material_Plastic this dual-cell model pairs plantDetermines gravitational acceleration g by timing free fall of a steel sphere released from an electromagnet, with 4mm socket connections for both magnet power and timer trigger.