Premium Equilateral Glass Prism, 50mm, 60° Safety Supplies_Lab Coats and Aprons Eleven-ohm 5A air-cooled rheostat with

Eleven-ohm 5A air-cooled rheostat with constantan winding on a 300x44mm vitreous-enameled steel tube and a slide-bar carriage carrying a phosphor-bronze contact

Seventy-eight-piece molecular model set with 45 atoms and 33 bonds for building basic organic and inorganic structures

Life-size kidney model separates into two hemispheres exposing cortex

dropping the bulk of the measured potential across the external resistor so the coil sees only its proportional share of the signal

this set bundles the moving-coil meter

Premium Equilateral Glass Prism, 50mm, 60° Safety Supplies_Lab Coats and Aprons Eleven-ohm 5A air-cooled rheostat withPolished 50mm equilateral glass prism with 60 degree angles at premium grade, the optical quality body delivering clean dispersion for refraction, spectral line, and rainbow demos.