Expansion Of Liquids Apparatus, With Back Panel

Demonstrates The Different Thermal Expansion Of Various Liquids And Their Comparison. Five Glass Tube With Funnel Shaped Top And Graduated In Mm Are Located Inside A Trough With Black Colored Vertical Panel. This Back Panel Provides The Easy Reading Of Liquid Level Along The Scale, While Simultaneously Facilitating Easy Removal And Mounting Of Bulbs In The Water Trough For Their Convenient Filling, Care And Cleaning. (Set Of 5 Glass Tubes, Spare)