Round Convex Glass Mirror, 50mm Diameter, 100mm Focal Length Light & Optics_Color including a digital multimeter and

including a digital multimeter and oscilloscope

Fine 40-60 mesh iron filings in a 100-gram sprinkle bottle

this heavy-duty bosshead holds a support rod and a perpendicular rod in a rigid screw-adjustable grip

sized to retain induced charge through demonstrations of Coulomb's law and surface charge distribution

with thermometer tubulure and glass manometer for calibrating thermometer upper fixed points under steam

Round Convex Glass Mirror, 50mm Diameter, 100mm Focal Length Light & Optics_Color including a digital multimeter andConvex glass mirror at 50mm diameter and 100mm focal length, the diverging curvature widening the apparent field of view through virtual upright reduced images.