US$ 36.99
acceleration
illustrating the primary-battery chemistry behind the Leclanche cell — the historical predecessor of the modern dry battery
Replacement velcro electrode leads for the Neulog GSR Sensor
Hinged V-section arms grip lenses and mirrors up to 75mm in diameter
Electrophorus Demonstration Lab Equipment and Supplies_Plastic Labware accelerationDemonstration 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.
US$ 36.99
US$ 30.00
US$ 48.99
US$ 32.00
US$ 199.00
US$ 45.00
US$ 50.00
US$ 35.00