Premium Double Wall Electric Calorimeter with 5W Heating Coil, 250mL Stock Type_Stocked mounted on cast iron with

mounted on cast iron with a wooden board and meter rule for column-height reading

8 mm outside diameter

Compact 2mm-plug connecting lead in the small-scale lead family

providing an inert electrode that lets students isolate electrolyte and ion behavior from electrode chemistry

Compass mounted parallel to a current-carrying coil deflects against Earth's horizontal field

Premium Double Wall Electric Calorimeter with 5W Heating Coil, 250mL Stock Type_Stocked mounted on cast iron withTwin vessel electric calorimeter with a 250mL aluminum inner cup inside a 900mL outer jacket, a transparent cover, and a replaceable 5W heating coil for 6V 1A powered specific heat work.