Thermo-Hygrometer, 105mm Diameter Science at Home_Math Four-diode bridge rectifier rated 5A

Four-diode bridge rectifier rated 5A at 100V with 4mm input connections and the circuit diagram printed on the case

supplied in five colors at two leads per color so paired wiring stays color-coded across both sides of a circuit

midline structures

and psychology teaching

sized to stack on a vertical rod for like-pole repulsion levitation demonstrations

Thermo-Hygrometer, 105mm Diameter Science at Home_Math Four-diode bridge rectifier rated 5ACombined thermo hygrometer on a 105 mm metal dial pairing a 10 to 50C thermometer with a 0 to 100 percent hygrometer, giving labs and classrooms a single instrument environmental monitor.