Round Convex Glass Mirror, 75mm Diameter, 150mm Focal Length archive-pending Drives gel electrophoresis and other

Drives gel electrophoresis and other elevated-voltage experiments at 70V DC up to 300mA through a pair of safety sockets

Precision-cut interchangeable plugs in split brass contact blocks select between constantan-wire decades

Three-times life size cross section exposes cortex

and a movable disc plug

sized as a load that visibly spins when current flows in the circuit

Round Convex Glass Mirror, 75mm Diameter, 150mm Focal Length archive-pending Drives gel electrophoresis and otherPairs a 75mm aperture with a 150mm focal length on a convex glass surface, ~3. 3mm thick, the gentler curvature softening divergence while still producing reduced virtual reflections.