Charles Law Apparatus, Alternate Model (HT-1573)

This apparatus is used to determine the co-efficient of expansion of a gas at constant pressure. It consists of a glass U-tube with a bulb and tap at the upper end of one limb, the other limb open, enclosed in glass cylindrical jacket. An outlet tube comes out from the bottom of the U-tube, passes through a bung and terminates in a tap. Bung has two holes, one of it is fitted with glass tube, rubber tube and pinch clip. The bulb has a capacity of 7ml and stem beneath is graduated 3 x 0.1 cc allowing for an expansion over a range of 100°C. The apparatus clamp-able by a single clamp and only 20 cc of mercury is needed. Supplied without mercury.