Porcelain Beehive Shelf, 7.5cm, Glazed Material_Silicone sized so the heavier D

sized so the heavier D cell stays seated when student-built circuits are picked up

supplied dry so the user adds acid and charges it before running heavy-current electrolysis loads

Chrome-plated four-prong retort clamp with cork-coated prongs and a jaw capacity up to 4 inches

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

letting students measure rotational distance against linear advance to derive the mechanical advantage of the spiral

Porcelain Beehive Shelf, 7.5cm, Glazed Material_Silicone sized so the heavier DFully glazed 7. 5cm porcelain beehive shelf supports crucibles, steam baths, and burners over Bunsen flames and heating apparatus in chemistry labs.