Vacuum Pump with 200mm Pump Plate Subcategory_Test Strips Two rectangular slots accept square

Two rectangular slots accept square or round rods up to 16 mm in this aluminum alloy multipurpose clamp holder

Twenty-centimeter steel helical spring paired with 2kg

Glass equilibrium tubes with plastic base demonstrate pressure equilibrium

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

75 x 2 inch chrome-steel horseshoe puts a stronger gap field on offer than the 4-inch model

Vacuum Pump with 200mm Pump Plate Subcategory_Test Strips Two rectangular slots accept squareHand 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.