Cone to Flexible Tubing Adapter, 10/19 Cone, Borosilicate Glass Subcategory_Scales and Balances Standard rheostat with oxidized constantan

Standard rheostat with oxidized constantan winding on a vitreous-enameled steel tube and a heavy-duty sliding contact

this insulated lead pairs a 4mm banana plug at one end with a crocodile clip at the other for flexible patch wiring

TRANSPARENT & DURABLE || Made of high quality Borosilicate 3

the curved-face geometry letting beams enter along any radius for clean Snell's law angle work in ray-box and refraction setups

Cone to Flexible Tubing Adapter, 10/19 Cone, Borosilicate Glass Subcategory_Scales and Balances Standard rheostat with oxidized constantanCone to flexible tubing adapter in borosilicate glass features 10 19 cone with right angle design for connecting apparatus to rubber tubing.