You must find out the distance measured for each division of the graticule. You can then use the graticule to measure cells. The distance will be different for each objective lens of the microscope.
Modern microscopes opened up the world of the minute to an amazing degree, allowing people to see all the way down to a bacterium wriggling on a slide. But if you want to see down even smaller in ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results