Concave Glass Mirror, 75mm Diameter, 75mm Focal Length Handle Type_Twisted Wire Nine engraved 10 gram brass

Nine engraved 10 gram brass pieces and a 10 gram hanger on this slotted weight set

autoclavable and thermal-shock resistant for precise measurement of gas volumes evolved during a reaction

Used as the red-rail partner to the 300mm black 2mm-plug lead

0V max for whole-class hands-on work

producing distinct audible pitches at varying spin speeds to relate rotational frequency to perceived sound frequency

Concave Glass Mirror, 75mm Diameter, 75mm Focal Length Handle Type_Twisted Wire Nine engraved 10 gram brassConcave glass mirror at 75mm aperture and 75mm focal length, ~3mm thick, the f 1 geometry producing strongly converging beams for vivid magnification and real image demos.