Tungsten Carbide Bimetallic Strip, 10-Pack Subcategory_Acids and Bases Series and parallel reconfigurable variable

Series and parallel reconfigurable variable battery power supply holding up to four D-cells

letting students read low-cell voltages and high-tension supply outputs on the same meter

Double-walled copper-cylinder hypsometer at 34 by 6cm on a steam boiler

5-inch mounting rod giving 5 inches total length for standard optical-bench setups

and 6000-turn coils

Tungsten Carbide Bimetallic Strip, 10-Pack Subcategory_Acids and Bases Series and parallel reconfigurable variableTen pack of tungsten carbide bimetallic strips, bending visibly as heat applies different expansion rates to each bonded metal layer in thermal expansion studies.