Wool Cloth, Rubber Silk, Silk Cloth Stem model U-shape iron core and an

U-shape iron core and an armature

Premium Quality: Electromagnet is made of high-grade construction all the way through

The syringe is used to set the tube to scale when initializing the experiment

within international tolerance

Wool Cloth, Rubber Silk, Silk Cloth Stem model U-shape iron core and anSet of 3 Wool Cloth, Rubber Silk, Silk Cloth. This piece of fabric is intended for use in science activities related to static or friction. Silk gains a positive electrical charge, thus giving up electrons. Works particularly well when used with a piece of glass to provide a positive charge. Also makes a fine pocket square. Use for friction or static in science activities. Premium Quality: This product is made of high grade construction all the way