Air-Cooled Rheostat, Model E Grade_Food Grade supplying replacements when the originals

supplying replacements when the originals lose loft or split during repeated charging cycles

supporting medical and health-science teaching

equipping a class for compound-pulley and variable-diameter work

Higher-output 65-watt soldering iron with a wooden bakelite handle

Cork-lined stainless steel safety flask tongs lock jaws around flask necks to prevent accidental drops during transfer of hot distillation vessels between bench stations

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.