Alnico Cylindrical Magnet, 75 x 12mm archive-pending Eight aluminum-shank tuning forks tuned

Eight aluminum-shank tuning forks tuned to scientific pitch (C4 = 256Hz) and ranging from 5 9/16 to 7 1/8 inches

the hBAR infrared thermometer can accurately tell the temperature

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

Combining filtration and titration on one base

Alnico Cylindrical Magnet, 75 x 12mm archive-pending Eight aluminum-shank tuning forks tunedRound 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.