الوصف
To show different liquids have different thermal expansions. Five graduated glass bulb tubes are supported in a galvanized iron water trough by a support frame. Bulbs are of approx. 35 mm diameter with stem of 400 mm length.
Features
Five graduated glass bulb tubes for simultaneous comparison of liquid expansion Galvanized iron trough provides a stable heating environment Clear visual demonstration of varying expansion rates Durable construction for repeated classroom use Compact and modular design for easy setup and storage