Syphon Barometer with Celsius and Fahrenheit Scales, 41" Long Glass Sets & Apparatus_Distillation Apparatus Autoclavable polypropylene test tube stand

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

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

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

Used to generate triboelectric static charge by rubbing against glass

Syphon Barometer with Celsius and Fahrenheit Scales, 41" Long Glass Sets & Apparatus_Distillation Apparatus Autoclavable polypropylene test tube standSyphon 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.