Syphon Barometer with Celsius and Fahrenheit Scales, 41" Long Glass Sets & Apparatus_Distillation Apparatus Designed to generate and detect

Designed to generate and detect ultrasonic waves above the audible range

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

Designed to measure Planck's constant through the photoelectric effect

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

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 Designed to generate and detectSyphon 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.