American Educational Solenoid and Electromagnet with Iron Core, 6' Length x 2' Width x 2' Height

Study the magnetic field of a current-carrying coil and discover how an iron core affects it. This device is used for many demonstrations involving electric magnets or solenoids. A plastic spool is wrapped with three layers of 20-gauge magnet wire. A 1.8cm diameter removable steel core is located inside the solenoid. Insulated binding posts are found at each end for application of an electric current. Included is a 3/4' by 6' steel core. An instruction sheet is provided. Measures 8' length by 4' width by 4' height.