Combination Dark Chamber for Photoropism Experiments in Seedlings Includes 5 interchangeable shutters 3 Chambers The right hand chamber has windows in the top and back and when used with a clear front window acts as a control chamber. Perfect for classrooms or home experimentation For experiments in phototropism with seedlings. Three chambered case of wood with to accept a variety of shutters. The right hand chamber has windows in the top and back and when used with a clear front window acts as a control chamber. Includes transparent, cloudy, red, blue and green shutters. Chamber measures 21" wide, 7" long and 7" tall. Each shutter measures 6.5"x6.5".
