Alnico Cylindrical Magnet, 75 x 12mm archive-pending and hinge-distance scales adjustable from

and hinge-distance scales adjustable from 0 to 45 degrees

and field magnet for direct observation as students trace how current produces rotation in a closed magnetic circuit

Wall-plug step-down transformer with 4mm sockets and selectable 4/6/12/24V outputs at 1A

Wider 70 x 20 x 8mm cross-section on this Alnico bar pair gives a broader pole face than typical bar magnets

Alnico Cylindrical Magnet, 75 x 12mm archive-pending and hinge-distance scales adjustable fromRound edged 75 x 12mm Alnico cylindrical pair, the slightly thicker stock holding a stronger field than the 75 x 10mm model and shipped with steel keepers between sessions.