Coarse Focussing Wheel
Revision as of 18:27, 27 July 2018 by NRJC (talk | contribs) (Created page with "The wheel on a microscope that moves the stage a large amount toward or away from the objective lens and focusses the image.")
The wheel on a microscope that moves the stage a large amount toward or away from the objective lens and focusses the image.