Photosynthesis Apparatus

For measuring & analyzing gas given off by plants such as Elodea. 

Comprises 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. The 

apparatus is mounted on a backboard 240 x 100mm. Capillary bore 

1mm.