Syphon Barometer with Celsius and Fahrenheit Scales, 41" Long Glass Sets & Apparatus_Distillation Apparatus High-level peroxide test strips in

High-level peroxide test strips in a 50-strip vial calibrated at 0

Used to generate triboelectric static charge by rubbing against glass

Autoclavable polypropylene test tube stand holding six 25-mm tubes with six drying pins on the back

Designed to generate and detect ultrasonic waves above the audible range

Shows oxygenated and deoxygenated blood paths between heart chambers and alveolar surfaces through seven hand-painted removable parts designed with medical-professional input

Syphon Barometer with Celsius and Fahrenheit Scales, 41" Long Glass Sets & Apparatus_Distillation Apparatus High-level peroxide test strips inSyphon barometer at 41 inches tall with a 3. 5 inch wide scale in both Celsius and Fahrenheit, measuring atmospheric pressure via a fluid column mounted on a single piece frame.