Vacuum Pump with 200mm Pump Plate Subcategory_Test Strips sized to read one step

sized to read one step up from the 0-1A meter when student circuits draw past the lower meter's full-scale deflection

and laboratory procedures

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

Glass equilibrium tubes with plastic base demonstrate pressure equilibrium

built for classroom and professional laboratory storage

Vacuum Pump with 200mm Pump Plate Subcategory_Test Strips sized to read one stepHand operated vacuum pump with a 200mm copper pump plate and rubber seal, a battery free source of partial vacuum for bell jar demonstrations without external power.