Safety Thistle Funnel with Bend and Safety Bulb, 30cm, Borosilicate Glass Safety Supplies_Gloves Used to add variable resistance

Used to add variable resistance while keeping the slide-wire wiper enclosed

Polished hardwood test tube rack holding 12 tubes up to 25 mm across twelve draining pins

this empty 4mm-terminal holder accepts user-supplied parts where pre-wired modules don't cover the experiment

varying the pole gap from 0

built for classroom and professional laboratory storage

Safety Thistle Funnel with Bend and Safety Bulb, 30cm, Borosilicate Glass Safety Supplies_Gloves Used to add variable resistanceSafety thistle funnel in borosilicate glass measures 30cm with bend and safety bulb for pressure release during controlled liquid addition.