Alnico Bar Magnets, Alternate Model Glass Sets & Apparatus_Organic Chemistry Sets Six-piece 3-inch optical lens set

Six-piece 3-inch optical lens set combining three double-convex and three double-concave glass lenses at 200mm

change speed

accepting rods up to 19 mm in diameter for larger retort stand assemblies

5-inch female pelvis model demonstrates 9-month pregnancy anatomy and fetal positioning before delivery for obstetrics teaching

each one rotating to follow the local field whenever a magnet is placed beneath the plate or alongside it

Alnico Bar Magnets, Alternate Model Glass Sets & Apparatus_Organic Chemistry Sets Six-piece 3-inch optical lens setStrong, stable Alnico fields and matching keepers across this bar magnet pair give the classroom a reliable workhorse for ferromagnetism and pole orientation demonstrations.