Borosilicate Glass U-Tube Salt Bridge Lab Equipment and Supplies_Lab Supplies Standard rheostat at 16 ohms

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

and a Perspex cylinder

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

sized for direct rainfall measurement in meteorology coursework and outdoor environmental-science installations

retained for legacy reference and parts compatibility

Borosilicate Glass U-Tube Salt Bridge Lab Equipment and Supplies_Lab Supplies Standard rheostat at 16 ohmsBorosilicate 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.