One-Meter Single-Wire Potentiometer on Metal Base Ceramic Labware_Crucibles Standard-length 300mm black 4mm-stackable safety

Standard-length 300mm black 4mm-stackable safety lead rated to 12A with shrouded nickel-plated pins

illustrating molecular symmetry and bonding geometry

and a tensioning pulley

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

Stackable 300mm red 4mm lead with nickel-plated split-hollow pins on both ends

One-Meter Single-Wire Potentiometer on Metal Base Ceramic Labware_Crucibles Standard-length 300mm black 4mm-stackable safetyMetal 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.