Open Top Cylindrical Dropping Funnel with PTFE Key Stopcock, 100mL, Ungraduated, Borosilicate Glass Lab Equipment and Supplies_Sensors and Android devices up to

and Android devices up to 4 inches wide for hands-free desktop viewing

2 triple-tandems

providing the same energy-conservation and momentum components as PHVS2SCO under a parallel SKU

Demonstration electrophorus with a 9cm aluminum disc

Hand-painted 4-part human brain model separates into cortical hemispheres and brain-stem regions for lobed-anatomy teaching at introductory biology levels

Open Top Cylindrical Dropping Funnel with PTFE Key Stopcock, 100mL, Ungraduated, Borosilicate Glass Lab Equipment and Supplies_Sensors and Android devices up toOpen top cylindrical dropping funnel in borosilicate glass holds 100mL with PTFE key stopcock for controlled liquid addition in chemistry procedures.