Electrophorus Demonstration Lab Equipment and Supplies_Plastic Labware Millimeter-graduated 15cm Hooke's-Law scale on

Millimeter-graduated 15cm Hooke's-Law scale on a 30cm support rod

panel-mounted with 4mm sockets and an enclosed earth pin for safe wiring during induction and AC ratio demos

illustrating the primary-battery chemistry behind the Leclanche cell — the historical predecessor of the modern dry battery

acceleration

Replacement velcro electrode leads for the Neulog GSR Sensor

Electrophorus Demonstration Lab Equipment and Supplies_Plastic Labware Millimeter-graduated 15cm Hooke's-Law scale onDemonstration electrophorus with a 9cm aluminum disc, insulating handle, and rubber footed plastic base, capable of producing repeated sparks once the base is charged by friction.