Stainless Steel 3-Prong Cork-Lined Clamp, 90mm Capacity Item Type_Density Cubes & Cylinders Replacement pair of Gilley coils

Replacement pair of Gilley coils with a 1

deflecting a pivoting cobalt-steel compass needle inside a rectangular conductor frame to show that current generates a magnetic field

this green LED on a demonstration base with 4mm plug connections lights up when current flows in the correct direction

Three inch cast iron inner ring sits on a 5/16-inch stem paired with an open boss head

Stainless Steel 3-Prong Cork-Lined Clamp, 90mm Capacity Item Type_Density Cubes & Cylinders Replacement pair of Gilley coilsStainless steel three prong laboratory clamp with cork lined jaws opening up to 100 mm, tightened by a tommy bar thumbscrew for secure, scratch free support of flasks.