Hair Hygrometer, 105mm Diameter Lab Supplies_Filtering Supplies Used to determine irregular-object volumes

Used to determine irregular-object volumes by water displacement

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

Classic induction electrophorus with a 6-inch bakelite charge plate and a 3

and permittivity

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

Hair Hygrometer, 105mm Diameter Lab Supplies_Filtering Supplies Used to determine irregular-object volumesMetal 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.