Syphon Barometer with Celsius and Fahrenheit Scales, 41" Long Glass Sets & Apparatus_Distillation Apparatus Used to generate triboelectric static

Used to generate triboelectric static charge by rubbing against glass

Wider 70 x 20 x 8mm cross-section on this Alnico bar pair gives a broader pole face than typical bar magnets

Steel keepers across the 50 x 12 x 8mm Alnico bar pair preserve field strength in storage between lessons

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

Seven-metal 20mm density cube set with element-stamped brass

Syphon Barometer with Celsius and Fahrenheit Scales, 41" Long Glass Sets & Apparatus_Distillation Apparatus Used to generate triboelectric staticSyphon 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.