Alnico Bar Magnet Pair, 6" Rod Material_Steel Optically-worked glass double convex lens

Optically-worked glass double convex lens with a 150mm focal length and 1

the optical-grade body delivering cleaner refraction angles than acrylic peers for precision Snell's law work

5 inches of nylon bristles for scrubbing glassware up to 4 inches in diameter

offered as a safer substitute for the lead-containing PH0112FCB set

and histology laboratory instruction

Alnico Bar Magnet Pair, 6" Rod Material_Steel Optically-worked glass double convex lensUsed to demonstrate broad pole separation effects, this 6 inch Alnico bar pair extends field lines visibly along the magnet body for full class iron filing demonstrations.