Long Stem Receiver Delivery Adapter, 24/29 Socket, 200mm Body, Borosilicate Glass Subcategory_Bod Bottles Holds 50mm-diameter lenses upright on

Holds 50mm-diameter lenses upright on a free-standing wooden base

providing a direct numeric current reading for student circuits where analog needle deflection would be too coarse to resolve cleanly

photo displays

5A standard rheostat with oxidized constantan winding on a vitreous-enameled steel tube

Right-triangle 30° x 60° x 90° glass prism

Long Stem Receiver Delivery Adapter, 24/29 Socket, 200mm Body, Borosilicate Glass Subcategory_Bod Bottles Holds 50mm-diameter lenses upright onLong stem receiver delivery adapter in borosilicate glass features 24 29 socket for distillation collection and extended chemistry apparatus assembly.