Used to demonstrate the thermo-expansion of metals. In use, the brass ball will pass through the ring easily when both are at the same temperature, and won't pa
Precio de lista
$252
MXN+ IVA (16%)
Precio estimado · $14.50 USD × 17.39 = $252.15 MXN. El precio final se confirma en cotización.
Used to demonstrate the thermo-expansion of metals. In use, the brass ball will pass through the ring easily when both are at the same temperature, and won't pass through at all when heated. The ball and ring are securely mounted on a rod with a wooden handle.
