G' by Free Fall Apparatus Material_Plastic and strike-slip faults with clearly

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

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

75-inch sample rods in aluminum

Largest-value decade capacitance box stepping 10uF to 100uF in 10uF increments at plus-or-minus 5% on 63V

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

G' by Free Fall Apparatus Material_Plastic and strike-slip faults with clearlyDetermines 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.