One-Meter Single-Wire Potentiometer on Metal Base Ceramic Labware_Crucibles Four-socket E10 lamp holder pre-wired

Four-socket E10 lamp holder pre-wired in series on a hard-plastic base with two 4mm banana terminals

illustrating molecular symmetry and bonding geometry

letting students compare four densities by mass alone while the volume is held constant across the set

Highest-decade single-dial resistance box stepping from 100k to 1M ohms in 100k-ohm increments

One-Meter Single-Wire Potentiometer on Metal Base Ceramic Labware_Crucibles Four-socket E10 lamp holder pre-wiredMetal base one meter potentiometer with 24 SWG constantan wire stretched along a millimeter scale, supplied with a jockey and heavy duty 4mm socket terminals for null deflection EMF work.