Alnico Bar Magnet with Keepers, Model 0789B Rod Size_23.6" 5 inch dynamics carts in

5 inch dynamics carts in solid wood and aluminum with nylon ball-bearing wheels

Adjustable flash-frequency control across this improved stroboscope lets students isolate periodic motion from rotating machinery

used to swap an entire circuit between two separate sources or branches at once during reversal and routing demonstrations

with banana-plug terminals for optical-bench and physics-demonstration circuit setups

Alnico Bar Magnet with Keepers, Model 0789B Rod Size_23.6" 5 inch dynamics carts inPair of Alnico bar magnets supplied with steel keepers in a cardboard box, the standard configuration for keeping the field intact between classroom magnetism sessions.