Micrococcus Luteus Freeze-Dried Culture, Lyophilized Pellet in Vial Base Size_11 x 11" Three-lead reusable-electrode electrocardiogram data-logging sensor

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

mounted on a rod stand for tabletop reference

Deluxe-grip stripper-cutter combo with extended jaws

Micrococcus Luteus Freeze-Dried Culture, Lyophilized Pellet in Vial Base Size_11 x 11" Three-lead reusable-electrode electrocardiogram data-logging sensorLyophilized 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.