Syphon Barometer with Celsius and Fahrenheit Scales, 41" Long Glass Sets & Apparatus_Distillation Apparatus Ten-amp DC scale on a

Ten-amp DC scale on a 315x115mm laminated panel with sealed shunt

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

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

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 Ten-amp DC scale on aSyphon 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.