Round Convex Glass Mirror, 75mm Diameter, 100mm Focal Length Prong_2 Tensioned steel rod in a

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

Meker-style natural gas burner delivers a broad

six locking sliding bases on 6mm rods

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

Hundred-ohm 5W fixed resistor in an ABS module with 4mm sockets

Round Convex Glass Mirror, 75mm Diameter, 100mm Focal Length Prong_2 Tensioned steel rod in 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.