US$ 21.99
supplying replacements when the originals lose loft or split during repeated charging cycles
equipping a class for compound-pulley and variable-diameter work
tapered spout
supporting medical and health-science teaching
reading everything from cell voltages to high-tension supply outputs on a single meter
Air-Cooled Rheostat, Model E Grade_Food Grade supplying replacements when the originalsUsed to dissipate heat during sustained high current work, this air cooled rheostat carries a slide bar carriage on a vitreous enameled tube for variable resistance under thermal load.