Thermal Conductivity Metal Ring with Copper, Iron, Aluminum, and Brass Strips Botany_Botany Charts & Models sized to handle both wall-supply

sized to handle both wall-supply and battery-circuit current measurements

Four-meter 6A extension cord with one 3-pin and three 2-pin sockets and a switched indicator-light handle

Red-coated Alnico cylindrical pair at 50 x 10mm

so standard lead time for more than one unit is 60 days for this item

Two-part split heart model on an integrated base separates into right and left hemispheres

Thermal Conductivity Metal Ring with Copper, Iron, Aluminum, and Brass Strips Botany_Botany Charts & Models sized to handle both wall-supplyCompares 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.