Air-Cooled Rheostat, 36Ω, 300 x 44mm Subcategory_Wash Bottles this 20mm-diameter steel helix carries

this 20mm-diameter steel helix carries longitudinal

75A single-phase rheostat with cover-protected constantan winding on a 200x56mm tube and 4mm safety socket terminals

and workshop tasks

9-piece organic chemistry and distillation glassware set provides comprehensive apparatus for laboratory synthesis and separation procedures

Non-magnetic metal pillar topped with a carbon-steel point on a 2

Air-Cooled Rheostat, 36Ω, 300 x 44mm Subcategory_Wash Bottles this 20mm-diameter steel helix carriesAir cooled rheostat at 36 ohms and 3A with constantan winding on a 300x44mm vitreous enameled tube, with a slide bar carriage and three binding posts at the winding ends and slide bar.