Narrow-Angle Glass Prism, 25° x 77.5° x 77.5° Subcategory_Wash Bottles this compact insulated wire keeps

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

this sonometer carries brass and steel wires across a 114cm wooden box with two millimetre rules

and connecting leads in one teaching package

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

used to trace field lines around bar magnets and current-carrying wires

Narrow-Angle Glass Prism, 25° x 77.5° x 77.5° Subcategory_Wash Bottles this compact insulated wire keepsMid 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.