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5-inch metal ring
Economy steam-heated expansion apparatus on a 27-inch base with three 19
5-inch wooden base with a detachable design for easy draining
Fully enclosed EDM-80 moving-coil DC milliammeter measuring 0-500mA at plus-or-minus 2
Thermal Conductivity Metal Ring with Copper, Iron, Aluminum, and Brass Strips Glassware 5-inch metal ringCompares simultaneous heat transfer through copper, iron, brass, and aluminum via four engraved strips radiating from a heated 4. 5 inch metal ring, each strip 5 inches long.
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