Dropping Funnel, 1000mL - Squibb - With 29/32 Plastic Stopper & PTFE Key Stopcock - Borosilicate Glass Subject_Botany this five-piece weight set bundles

this five-piece weight set bundles machined steel shafts from 50 to 1000 grams on a wooden storage block

5 by 4-inch ventilation apparatus modeling historic mine-gallery airflow and domestic chimney convection through a candle-driven hot-air-rise demonstration

this thermistor mounts on a transparent base with 4mm color-coded sockets and a printed circuit diagram for sensor-circuit student work

this replacement key matches the goggle sanitizer cabinet lock for classroom stockroom maintenance

Dropping Funnel, 1000mL - Squibb - With 29/32 Plastic Stopper & PTFE Key Stopcock - Borosilicate Glass Subject_Botany this five-piece weight set bundlesSQUIBB Squibb style dropping separatory funnel with 1000ml capacity TRANSPARENT & DURABLE Made of high quality Borosilicate 3. 3 glass Transparency allows for high visibility FOR SEPARATION Used to transfer liquids Using the stopcock allows fluids, including reagents, to dispense slowly (drop wise) STOPPER & STOPCOCK Fitted with an interchangeable 29 32 plastic stopper and PTFE key stopcock GREAT FOR PROFESSIONAL LABORATORIES, CLASSROOMS & HOUSEHOLD