Draw a small oval or circle for the eyepiece
Add a short tube extending downward from the eyepiece
Draw a larger angled arm connected to the tube
Add a curved base beneath the arm
Draw a flat stage below the tube for the slide
Add two small clips on the stage
Draw a circular disc or light source under the stage
Add a focusing knob on the side of the arm
Draw a larger knob below or near the first knob
Add the objective lenses beneath the tube
Refine the outline of the microscope body
Add small details and clean up the lines
Shade or color the microscope if desired