Round Convex Glass Mirror, 75mm Diameter, 100mm Focal Length Prong_2 this insulated wire pairs a

this insulated wire pairs a 2mm plug with a crocodile clip to keep polarity color-coded in small-scale circuit work

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

well-formed real images for projection-style optics setups on a ~3mm-thick blank

Tensioned steel rod in a heavy iron frame breaks a brittle iron cross-rod as cooling contraction pulls it taut

Round Convex Glass Mirror, 75mm Diameter, 100mm Focal Length Prong_2 this insulated wire pairs aWider aperture 75mm convex glass mirror at 100mm focal length, ~2. 8mm thick, the diverging curvature delivering reduced virtual images while the larger face brightens viewing.