Hair Hygrometer, 105mm Diameter Lab Supplies_Filtering Supplies Demonstrates electromagnetic induction and Faraday's

Demonstrates electromagnetic induction and Faraday's law by stepping DC input into 25mm high-voltage sparks across adjustable electrode rods on an open chassis

applied force

Wide sound-radiating surface on this lightweight tuning fork lets it stand upright on its own footprint

Proves horizontal velocity does not affect vertical fall time through a push-button launcher that simultaneously projects one steel ball and releases another

Hair Hygrometer, 105mm Diameter Lab Supplies_Filtering Supplies Demonstrates electromagnetic induction and Faraday'sMetal cased hair hygrometer on a 105 mm dial reading 0 to 100 percent relative humidity in 1 percent divisions through hair fiber response, running battery free for direct room condition reads.