Magnetic Field Demonstrator with Vertical Wire, Acrylic Frame Material_Mesh Four-point-five-ohm 9A standard rheostat with

Four-point-five-ohm 9A standard rheostat with constantan winding on a vitreous-enameled steel tube

Comprehensive seven-piece acrylic blocks set at 25mm thickness

Beech wood test tube rack accommodates 13 tubes up to 25mm diameter in a 10

Outfitted with six drying pegs along a second tier

Stamped N and S ends on this 3 x 0

Magnetic Field Demonstrator with Vertical Wire, Acrylic Frame Material_Mesh Four-point-five-ohm 9A standard rheostat withVertical 1. 5mm copper wire on an acrylic frame 5. 5 inches tall, paired with 4mm sockets so iron filing patterns can be mapped around a current carrying conductor for Oersted's experiment.