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

the workhorse high-impedance unit for low-current voltage-divider and signal-conditioning work

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

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

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.