Dropping Funnel, 50mL - Squibb - With 14/23 Plastic Stopper & PTFE Key Stopcock - Borosilicate Glass Item Type_Weights Single-pole double-throw brass knife switch

Single-pole double-throw brass knife switch on a durable plastic base

Used to introduce semiconductor rectification

Extended-range rheostat at 10

sized to fit standard optical-bench lamp houses and stocked together so a burned-out lamp does not stall an experiment

and root development across successive stages for dicot germination teaching

Dropping Funnel, 50mL - Squibb - With 14/23 Plastic Stopper & PTFE Key Stopcock - Borosilicate Glass Item Type_Weights Single-pole double-throw brass knife switchSQUIBB Squibb style dropping separatory funnel with 50ml 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 14 23 plastic stopper and PTFE key stopcock GREAT FOR PROFESSIONAL LABORATORIES, CLASSROOMS & HOUSEHOLD