3" (75mm) Magnifying Glass with Plastic Handle Measurement_Stopwatches & Timers Designed for class-front light and

Designed for class-front light and prism demos

this silk square gives friction rods a strong positive charge for triboelectric and electrostatic demonstrations

Used to construct resistance coils and thermocouple legs that don't drift with temperature

AC/DC switchable low-voltage power supply outputting 6V or 12V at 2 amps from a 110V mains input

3" (75mm) Magnifying Glass with Plastic Handle Measurement_Stopwatches & Timers Designed for class-front light andThree inch (75mm) magnifying lens on a 6. 75 inch unbreakable plastic handle, sized for reading, close inspection, and image formation experiments in introductory optics.