Brass-Plated Scale Pan with Cording, 107mm Diameter Lab Equipment and Supplies_Lab Supplies designed to hold an electrostatic

designed to hold an electrostatic charge while students probe its surface with a proof plane

1mm vernier

consistent in mass for repeatable kinetic and potential energy calculations

Cut-away section on this chloroplast model exposes grana stacking

Sodium chloride lattice kit with 27 color-coded gray and green atoms plus 54 connectors for building the full cubic NaCl crystal structure in three dimensions

Brass-Plated Scale Pan with Cording, 107mm Diameter Lab Equipment and Supplies_Lab Supplies designed to hold an electrostaticFor classroom weighing experiments on beam balances, this brass plated scale pan measures 107 mm across and 0. 38 inches deep, suspended from 37. 5 inches of cording.