Single bore burette with detachable rubber tube and pinch clip, Sub. Div.0.10ml Tolerance +/- 0.05ml, Class-B. Approximately 19.5 in long, 0.4 in dia, Accuracy as per DIN ISO 385 standard. Burette is made of high quality 3.3 borosilicate glass, Capacity 10ml
Energy Tube, teaching resource for an array of scientific concepts: open and closed circuits, conductors vs. Insulators, light waves, sound waves,currents, and energy, When a conductor touches both of the electrodes on tube, tube emits a sound and flashing red/green/blue LED lights