Borosilicate Glass U-Tube Salt Bridge Lab Equipment and Supplies_Lab Supplies the wider working face giving

the wider working face giving longer beam paths for clear refraction-angle measurements

mounting any 26cm tube to a laboratory stand for spectroscopy demonstrations from any orientation

Standard rheostat at 16 ohms and 4A with oxidized constantan winding on a vitreous-enameled steel tube

dramatizing Coulomb repulsion and charge distribution on conductors

this 80mm steel needle in a 6mm rod doubles as a precise alignment reference for image-formation and ray-tracing setups

Borosilicate Glass U-Tube Salt Bridge Lab Equipment and Supplies_Lab Supplies the wider working face givingBorosilicate glass salt bridge shaped as an inverted 6. 5 inch U with sealed ends, carrying ion flow between oxidation and reduction half cells in galvanic cell setups.