Double Wall Calorimeter, 150mL Plastic Labware_Plastic Beakers & Jugs Convertible motor-generator running AC or

Convertible motor-generator running AC or DC in shunt or series wound configurations

adjustable via motor voltage to mimic temperature and float weight to mimic pressure

and inner ear sections support detailed auditory anatomy teaching at 3x enlargement for classroom visibility

setting UV sanitization cycle duration and restoring full cabinet function when the original switch fails under classroom use

and follicles on a mounted base for dermatology teaching

Double Wall Calorimeter, 150mL Plastic Labware_Plastic Beakers & Jugs Convertible motor-generator running AC orThermally isolated 150mL aluminum reservoir inside a polystyrene lined jacket, carrying a removable 3 6V 5W heating spring for electrical method specific heat investigations.