Narrow-Angle Glass Prism, 25° x 77.5° x 77.5° Subcategory_Wash Bottles and connecting leads in one

and connecting leads in one teaching package

sized for visible-time-scale RC charging and capacitor-driven momentary lamp-flash experiments

Brass 1-inch diameter pendulum bob weighing 2

this compact insulated wire keeps color-coded wiring intact when student work shifts to small-scale breadboarded circuits

Drives gel electrophoresis and other elevated-voltage experiments at 70V DC up to 300mA through a pair of safety sockets

Narrow-Angle Glass Prism, 25° x 77.5° x 77.5° Subcategory_Wash Bottles and connecting leads in oneMid apex 25 x 77. 5 x 77. 5 glass wedge prism, the apex continuing the wedge deviation series for systematic angle versus deviation comparison across geometries.