Bar Magnet, made from magnetic steel strips. Zinc plated and engraved with N and S to indicate north and south poles. Supplied in pairs with cardboard separator and plated soft iron keepers. For demonstrations, plotting magnetic fields. Size: 6x3/4x1/4 in. (150x19x7mm)
Barlow'S Wheel, Equipped With Neodinium-Ironboron Magnets That Generate A Strong Magnetic Field Over The Wheel That Is Therefore Set On Motion When Crossed By Currents. Requires Aa Batters, Discover Lorentz Force Without Using Mercury
Basic Magnetic Field Chamber - 3.625in By 2.3125in Diameter, Dimensions: Height: 3.625in, Outside Diameter: 2.3125in,Inside Diameter: 0.625in, Magnet Is Included, Insert A Bar Magnet, Up To Three-Quarters Of An Inch In Diameter
Basic Plotting Compass, 16mm, Glass Face, Aluminum Case, Diameter: 0.6 In. (1.3Cm), One Individual Unit, Provide A Simple, Teachable Way To Demonstrate Magnetic Fields In Class. Simple Use And Easy Readability Make It Straight-Forward For Students To Map Magnetic Fields
Basic St. Louis Motor, Useful In Demonstrating The Operations Of A Dc Motor, Consisting Of A Two-Pole Armature Mounted Between Magnets. Steel Supports Are Mounted On A Ridged Plastic Base. Operates On 3 To 6 V Dc.
Basic circuit kit, with a switch, (2) 'C' Batteries with Holders, (2) Light Holders, (5) Bulbs, and bulk wire for connecting, for a classroom or home experiment. One kit works well for a group of 3-5 students and demonstrates the pricinples of circuits and electricity