A microtome is a machine which cuts (usu.) biological specimens into very thin sections. The sections are typically mounted on microscope-slides.
This was an idea I had, I did it, and I've demonstrated it with garlic
It creates slices 250 microns thick*
If anyone is actually thinking of building one of these see the last step. You can also PM me if you need more
Step 1: Construction: base and mount runners
These images show the base of the device and the red runners for the specimen platform, also the final drive to the rack.