Object Needle for Optics Experiments Subcategory_Lab Burners dual digital displays monitoring voltage

dual digital displays monitoring voltage and current simultaneously

brain anatomy

exposing the triangular rotor's epitrochoidal motion with a lamp-lit ignition point

Mounted nervous system overview traces brain

Three-part skull model features painted muscle attachments and numbered details for cranial anatomy and muscle origin-insertion teaching

Object Needle for Optics Experiments Subcategory_Lab Burners dual digital displays monitoring voltageUsed to position a fine point object on the optical bench, this 80mm steel needle in a 6mm rod doubles as a precise alignment reference for image formation and ray tracing setups.