Class A Borosilicate Glass Volumetric Flask with Polypropylene Stopper Safety Supplies_Spill Kits Double-vessel copper calorimeter set with

Double-vessel copper calorimeter set with a 75 by 50mm inner cup on cork supports inside a 100 by 75mm outer shell and a slotted lid

Class B graduated cylinder in borosilicate glass holds 5mL with hexagonal base and ±0

slit plates and combs

Two-tube Boyle's Law apparatus connecting an open J-tube to a closed one with mercury through a rubber bridge

and Ohm's-law study

Class A Borosilicate Glass Volumetric Flask with Polypropylene Stopper Safety Supplies_Spill Kits Double-vessel copper calorimeter set withPolypropylene stopper with acid proof resistance pairs with Class A borosilicate 3. 3 glass for storing concentrated strong acid solutions where ground glass would seize.