Hair Hygrometer, 105mm Diameter Lab Supplies_Filtering Supplies Classic induction electrophorus with a

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

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

Radius-of-curvature spherometer at 2

Used to determine irregular-object volumes by water displacement

applied force

Hair Hygrometer, 105mm Diameter Lab Supplies_Filtering Supplies Classic induction electrophorus with aMetal 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.