Air and Water Pollution Teaching Model Category_Demonstrations this rotating magnet apparatus pairs

this rotating magnet apparatus pairs a 600-turn solenoid with an Alnico magnet on a rotating platform to generate time-varying flux

Neck inner diameter: 28

the thinnest gauge for mounting the smallest and most delicate insect specimens in permanent displays

each wave type individually labeled for geophysics reference

and a bar magnet for both electrostatic and circuit investigations

Air and Water Pollution Teaching Model Category_Demonstrations this rotating magnet apparatus pairsIllustrates the sources and effects of air and water pollution on an annotated wall mountable backboard, with extended reference information printed on the reverse.