Syphon Barometer with Celsius and Fahrenheit Scales, 41" Long Glass Sets & Apparatus_Distillation Apparatus the workhorse high-impedance unit for

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

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

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

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

Designed to measure Planck's constant through the photoelectric effect

Syphon Barometer with Celsius and Fahrenheit Scales, 41" Long Glass Sets & Apparatus_Distillation Apparatus the workhorse high-impedance unit forSyphon 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.