6-Metal Thermal Conductivity Rod Set (Iron, Copper, Aluminum, Lead, Brass, Zinc) Subcategory_Test Tubes Stove-enameled metal-cased laboratory stop clock

Stove-enameled metal-cased laboratory stop clock with minute and second sweep hands

Engineered with a higher spring constant than a classic coiled novelty spring

Suspends a 20mm solid zinc cube from a spring scale for water-displacement density measurement

Research-grade oxygen spectrum tube at 26cm with a 10cm central capillary

3 glass Griffin-form beaker shot glasses hold 3

6-Metal Thermal Conductivity Rod Set (Iron, Copper, Aluminum, Lead, Brass, Zinc) Subcategory_Test Tubes Stove-enameled metal-cased laboratory stop clockMachined six metal conductivity rod set (iron, copper, aluminum, lead, brass, zinc) at 11. 88 inches long by 0. 13 inch diameter, uniform dimensions isolating the material variable.