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

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

5 inch specific gravity cylinder with a top hook for density and specific-heat work

illustrating molecular symmetry and bonding geometry

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

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.