Narrow-Angle Glass Prism, 25° x 77.5° x 77.5° Subcategory_Wash Bottles Built for home experiments and

Built for home experiments and themed pretend play

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

Used to extend a galvanometer's range to 0

Narrow-Angle Glass Prism, 25° x 77.5° x 77.5° Subcategory_Wash Bottles Built for home experiments andMid 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.