BBC1 年
Investigating cells with a light microscope
To make observations and draw scale diagrams of cells. Turn the coarse focus so that the stage is as close to the objective lens as possible. You should not look through the microscope to do this.
BBC4 年
Investigating cells with a light microscope
To make observations and draw scale diagrams of cells. Turn the coarse focus so that the stage is as close to the objective lens as possible. You should not look through the microscope to do this.