Double Concave Glass Lens, 50mm Diameter, 250mm Focal Length, 4mm Thick Subcategory_Inorganic Compounds Hundred-thirty-five-ohm 1

Hundred-thirty-five-ohm 1

0 Type-B to Type-B cable connects data-logging sensors

Class-visible 12-inch demonstration meter with magnetically damped moving coil and Perspex front-and-back panels

with retractable hooks for tandem stacking during physics force experiments

Sliding-window gold-leaf electroscope with anodized aluminum walls and an internal scale

Double Concave Glass Lens, 50mm Diameter, 250mm Focal Length, 4mm Thick Subcategory_Inorganic Compounds Hundred-thirty-five-ohm 1Double concave glass lens at 50mm diameter and 250mm focal length on a 4mm thick blank, the diverging curvature softening divergence for subtler virtual image reduction in optics work.