20mm Zinc Density Cube with Hook Subcategory_Filtration Equipment dropping resistance as temperature rises

dropping resistance as temperature rises and giving an introduction to temperature-dependent semiconductor sensors

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

Thirteen-coil plug-type resistance box covering 1 ohm to 1000 ohms with 2110 ohms total at plus-or-minus 0

Eight-piece stainless steel slotted mass set supplied with a corrosion-resistant finish

20mm Zinc Density Cube with Hook Subcategory_Filtration Equipment dropping resistance as temperature risesSuspends a 20mm solid zinc cube from a spring scale for water displacement density measurement, stamped (Zn) to identify it against the rest of the metal cube series.