Micrococcus Luteus Freeze-Dried Culture, Lyophilized Pellet in Vial Base Size_11 x 11" supplying the third-color short-reach signal

supplying the third-color short-reach signal line in 4mm bench circuits already using red and black rails

Three-lead reusable-electrode electrocardiogram data-logging sensor producing a heartbeat graph that examines cardiac-muscle activity from three angles while avoiding single-use consumable costs

Hand-cranked Van de Graaff generator with a 9

sized to slot into modular Ohm's-law and series-parallel-circuit investigations

Micrococcus Luteus Freeze-Dried Culture, Lyophilized Pellet in Vial Base Size_11 x 11" supplying the third-color short-reach signalLyophilized pellet of Micrococcus luteus in a sterile plastic vial, providing a Gram positive coccus for teaching Gram staining, colony morphology, and aseptic technique without refrigeration.