Plastic-Cased Bar Magnet Pair, Blue and Red Type_Round End 1 ohms to 1 ohm

1 ohms to 1 ohm in 0

25-inch Atwood machine with two 2-inch blue-plastic pulleys on an aluminum rod

Four 153 x 76mm plates - each holding 98 iron-rod plotting compasses in a 14 x 7 matrix - assemble flat or as the faces of a cube to display 2D and 3D field-line patterns

supporting pregnancy biology and prenatal-care teaching in health courses

Compact 14 by 12 by 11 cm autoclavable polypropylene basket organizes test tubes during experiments

Plastic-Cased Bar Magnet Pair, Blue and Red Type_Round End 1 ohms to 1 ohmColor coded blue and red plastic cases on this bar magnet pair (3 x 0. 8 x 0. 5 inches) make north and south poles instantly identifiable during attraction, repulsion, and field mapping work.