Miniature Lamp Holder, Spring Posts, 1 Each

The United Scientific® Miniature Lamp Holder, Spring Posts is a plastic lamp holder with a brass receptacle for miniature base lamps and two spring post terminals that grip wires without tools. It lets students connect and rearrange lamps quickly in series and parallel circuits, brightness comparisons and continuity tests. It is teaching equipment for school, college and introductory university physics labs and is sold individually.