This Charles Law Apparatus is ideal for demonstrating the relationship between temperature and volume of gases, supporting engaging science lessons in secondary schools and colleges. Designed for straightforward classroom use, it allows students to take accurate measurements without the complications of external rulers or elastic bands.

• Includes a capillary tube sealed at one end with a clear, calibrated scale in cm and mm.
• Enables direct observation of gas expansion or contraction when heated in a water bath.
• Mercury bead not supplied; apparatus is intended for use with standard laboratory mercury.
• Suitable for practical investigations of Charles' Law in physics curricula.
• Comes with full instructions for safe and effective use.