US$ 39.95
glass working
Four-finish Leslie's cube in tinplate at 13cm per side — blackened
Designed for use in professional laboratories
sized to dust evenly over paper or around a magnet to make field lines visible during introductory magnetism work
Small Iron Clad Electromagnet Racks & Stands_Bottle Stands glass workingSingle cell iron clad electromagnet on one C battery with integrated hooks for lifting demonstrations, showing how current through an iron core builds magnetic flux in student investigations.