25mm Spark Induction Coil, 10 x 7 x 6.5" Type_Dual End Educational variant of the 4

Educational variant of the 4

providing the high-resistance leg of a voltage divider where current draw needs to stay in the microampere range

1 inches while the swivel boss head delivers 360-degree angular positioning and fits rods up to 18mm in diameter

Heaviest 125-watt soldering iron in the line with a wooden bakelite handle

Illustrates that sound needs a medium to travel through a 10-inch acrylic bell jar with internal buzzer

25mm Spark Induction Coil, 10 x 7 x 6.5" Type_Dual End Educational variant of the 4Demonstrates electromagnetic induction and Faraday's law by stepping DC input into 25mm high voltage sparks across adjustable electrode rods on an open chassis.