One-Meter Single-Wire Potentiometer on Metal Base Ceramic Labware_Crucibles Four-meter 6A extension cord with

Four-meter 6A extension cord with one 3-pin and three 2-pin sockets and a switched indicator-light handle

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

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

the hBAR infrared thermometer can accurately tell the temperature

illustrating molecular symmetry and bonding geometry

One-Meter Single-Wire Potentiometer on Metal Base Ceramic Labware_Crucibles Four-meter 6A extension cord withMetal 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.