Our Philip Harris Photosynthesis Apparatus is for measuring and analysing gas given off by plants such as Elodea. The apparatus comprises of two syringes connected to a collecting tube via a 3-way tap.

This arrangement enables the gas to be drawn along the capillary tube by one syringe and collected into the second syringe for analysis.

• Backboard dimensions: 240mm x 100mm
• Capillary bore: 1mm