Hoffman Voltameter with Glass Stopcocks, Borosilicate Glass Biology_Human Anatomy Element-stamped 20mm solid brass cube

Element-stamped 20mm solid brass cube for density investigation

the slow-conducting comparator that highlights how much faster copper and aluminum transfer heat through identical geometry

5 inch Alnico bar pair with steel keepers

the lightest option in the series for mass-dependent period-comparison experiments

Alnico U-shape with 45mm pole spacing concentrates the field across a small gap

Hoffman Voltameter with Glass Stopcocks, Borosilicate Glass Biology_Human Anatomy Element-stamped 20mm solid brass cubeBorosilicate glass Hoffman electrolysis apparatus with two 50mL graduated outer tubes, a 200mL central bulb, glass stopcocks, and both platinum and carbon electrode sets.