Can't find what you're looking for?
Call us at 1.800.544.7220 or use Ask Humboldt
OUTLET DEAL – LIMITED QUANTITY ITEM!
Only 498 Available
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.
All items with a quantity will be added.
Note: You will be directed to sign in or create an account. The cart will be created upon logging in if you continue. To add to an existing saved cart, Log In first.
The following items were already in your cart and have had their quantity increased. If you did not intend for this, we recommend that you edit your shopping cart.