This rectangular wooden box provided with slits on three sides equally spaced to enable three experiments to be performed simultaneously using one light source. Each slit is provided with a cover so that it can be closed when not required. Fitted with holders to hold lamps in wooden box with cord. Suitable for 80W lamp.
This rectangular wooden box provided with slits on three sides equally spaced to enable three experiments to be performed simultaneously using one light source. Each slit is provided with a cover so that it can be closed when not required. Fitted with holders to hold lamps in wooden box with cord. Suitable for 80W lamp.