Graduated Screen for Optical Bench Pack Size_7 Used to read the microampere-scale

Used to read the microampere-scale currents found in photodiode and transistor-bias circuits

this 75 x 10mm Alnico cylinder pair ships with a spacer and keepers in a cardboard storage box

this universal holder mounts on a low-friction slider for quick repositioning during experiments

Shatter-resistant acrylic burette with a PTFE key stopcock and Class B accuracy per DIN ISO 385

Used to extend the curvature-vs-charge-density study to larger geometries

Graduated Screen for Optical Bench Pack Size_7 Used to read the microampere-scaleGraduated white screen mounted for use on the optical bench, providing a measurable projection surface for sizing real images formed by lenses and concave mirrors.